3901896 has 24 divisors (see below), whose sum is σ = 10567830. Its totient is φ = 1300608.

The previous prime is 3901871. The next prime is 3901901. The reversal of 3901896 is 6981093.

3901896 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 only one way, i.e., 2722500 + 1179396 = 1650^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3901896.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27025 + ... + 27168.

Almost surely, 2^3901896 is an apocalyptic number.

3901896 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3901896 is an abundant number, since it is smaller than the sum of its proper divisors (6665934).

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

3901896 is a wasteful number, since it uses less digits than its factorization.

3901896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54205 (or 54198 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3901896 is about 1975.3217459442. The cubic root of 3901896 is about 157.4315953896.

The spelling of 3901896 in words is "three million, nine hundred one thousand, eight hundred ninety-six".