3903956 has 24 divisors (see below), whose sum is σ = 7928256. Its totient is φ = 1647360.

The previous prime is 3903947. The next prime is 3903973. The reversal of 3903956 is 6593093.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (330344).

Almost surely, 2^3903956 is an apocalyptic number.

It is an amenable number.

3903956 is an abundant number, since it is smaller than the sum of its proper divisors (4024300).

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

3903956 is a wasteful number, since it uses less digits than its factorization.

3903956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 3903956 is about 1975.8431111806. The cubic root of 3903956 is about 157.4592957717.

The spelling of 3903956 in words is "three million, nine hundred three thousand, nine hundred fifty-six".