3918956 has 12 divisors (see below), whose sum is σ = 6872040. Its totient is φ = 1955520.

The previous prime is 3918949. The next prime is 3918983. The reversal of 3918956 is 6598193.

It is a super-2 number, since 2×3918956² = 30716432259872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (572670).

Almost surely, 2^3918956 is an apocalyptic number.

It is an amenable number.

3918956 is a deficient number, since it is larger than the sum of its proper divisors (2953084).

3918956 is a wasteful number, since it uses less digits than its factorization.

3918956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984 (or 1982 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 3918956 is about 1979.6353199516. The cubic root of 3918956 is about 157.6607043670.

The spelling of 3918956 in words is "three million, nine hundred eighteen thousand, nine hundred fifty-six".