3816002881 has 24 divisors (see below), whose sum is σ = 4071131064. Its totient is φ = 3572029440.

The previous prime is 3816002867. The next prime is 3816002899. The reversal of 3816002881 is 1882006183.

3816002881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 1880002881 + 1936000000 = 43359^2 + 44000^2 .

It is not a de Polignac number, because 3816002881 - 2²¹ = 3813905729 is a prime.

It is a super-2 number, since 2×3816002881² = 29123755975600600322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3816002881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816002831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19370475 + ... + 19370671.

It is an arithmetic number, because the mean of its divisors is an integer number (169630461).

Almost surely, 2^3816002881 is an apocalyptic number.

It is an amenable number.

3816002881 is a deficient number, since it is larger than the sum of its proper divisors (255128183).

3816002881 is a wasteful number, since it uses less digits than its factorization.

3816002881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 3816002881 is about 61773.8041648723. The cubic root of 3816002881 is about 1562.6782396860.

The spelling of 3816002881 in words is "three billion, eight hundred sixteen million, two thousand, eight hundred eighty-one".