3860809884 has 36 divisors (see below), whose sum is σ = 9896730480. Its totient is φ = 1268809920.

The previous prime is 3860809879. The next prime is 3860809889. The reversal of 3860809884 is 4889080683.

3860809884 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3860809879) and next prime (3860809889).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3860809884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860809889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752689 + ... + 757800.

It is an arithmetic number, because the mean of its divisors is an integer number (274909180).

Almost surely, 2^3860809884 is an apocalyptic number.

It is an amenable number.

3860809884 is an abundant number, since it is smaller than the sum of its proper divisors (6035920596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3860809884 is a wasteful number, since it uses less digits than its factorization.

3860809884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510570 (or 1510565 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 3860809884 is about 62135.4156982956. The cubic root of 3860809884 is about 1568.7707098762.

The spelling of 3860809884 in words is "three billion, eight hundred sixty million, eight hundred nine thousand, eight hundred eighty-four".