3958631 has 8 divisors (see below), whose sum is σ = 4215600. Its totient is φ = 3706560.

The previous prime is 3958627. The next prime is 3958657. The reversal of 3958631 is 1368593.

3958631 = 26³ + 27³ + ... + 63³.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3958631 - 2² = 3958627 is a prime.

It is a super-2 number, since 2×3958631² = 31341518788322, 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 = 3958591 and 3958600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (526950).

Almost surely, 2^3958631 is an apocalyptic number.

3958631 is a deficient number, since it is larger than the sum of its proper divisors (256969).

3958631 is a wasteful number, since it uses less digits than its factorization.

3958631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its digits is 19440, while the sum is 35.

The square root of 3958631 is about 1989.6308702873. The cubic root of 3958631 is about 158.1909644219.

The spelling of 3958631 in words is "three million, nine hundred fifty-eight thousand, six hundred thirty-one".