3950631 has 12 divisors (see below), whose sum is σ = 5743608. Its totient is φ = 2616624.

The previous prime is 3950629. The next prime is 3950657. The reversal of 3950631 is 1360593.

It is not a de Polignac number, because 3950631 - 2¹ = 3950629 is a prime.

It is a super-2 number, since 2×3950631² = 31214970596322, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3950595 and 3950604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3950731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (478634).

Almost surely, 2^3950631 is an apocalyptic number.

3950631 is a deficient number, since it is larger than the sum of its proper divisors (1792977).

3950631 is a wasteful number, since it uses less digits than its factorization.

3950631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 3950631 is about 1987.6194303739. The cubic root of 3950631 is about 158.0843298155.

The spelling of 3950631 in words is "three million, nine hundred fifty thousand, six hundred thirty-one".