3955131 has 6 divisors (see below), whose sum is σ = 5712980. Its totient is φ = 2636748.

The previous prime is 3955123. The next prime is 3955139. The reversal of 3955131 is 1315593.

It is an interprime number because it is at equal distance from previous prime (3955123) and next prime (3955139).

It is not a de Polignac number, because 3955131 - 2³ = 3955123 is a prime.

It is a super-2 number, since 2×3955131² = 31286122454322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3955095 and 3955104.

It is not an unprimeable number, because it can be changed into a prime (3955139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219721 + ... + 219738.

Almost surely, 2^3955131 is an apocalyptic number.

3955131 is a deficient number, since it is larger than the sum of its proper divisors (1757849).

3955131 is a wasteful number, since it uses less digits than its factorization.

3955131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439465 (or 439462 counting only the distinct ones).

The product of its digits is 2025, while the sum is 27.

The square root of 3955131 is about 1988.7511156502. The cubic root of 3955131 is about 158.1443294758.

The spelling of 3955131 in words is "three million, nine hundred fifty-five thousand, one hundred thirty-one".