3955856 has 10 divisors (see below), whose sum is σ = 7664502. Its totient is φ = 1977920.

The previous prime is 3955823. The next prime is 3955859. The reversal of 3955856 is 6585593.

It can be written as a sum of positive squares in only one way, i.e., 3936256 + 19600 = 1984^2 + 140^2 .

It is not an unprimeable number, because it can be changed into a prime (3955859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123605 + ... + 123636.

Almost surely, 2^3955856 is an apocalyptic number.

It is an amenable number.

3955856 is a deficient number, since it is larger than the sum of its proper divisors (3708646).

3955856 is a wasteful number, since it uses less digits than its factorization.

3955856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247249 (or 247243 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 3955856 is about 1988.9333824942. The cubic root of 3955856 is about 158.1539918303.

The spelling of 3955856 in words is "three million, nine hundred fifty-five thousand, eight hundred fifty-six".