790631 has 4 divisors (see below), whose sum is σ = 792792. Its totient is φ = 788472.

The previous prime is 790613. The next prime is 790633. The reversal of 790631 is 136097.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 790631 - 2⁶ = 790567 is a prime.

It is a super-2 number, since 2×790631² = 1250194756322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 790631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 1313.

It is an arithmetic number, because the mean of its divisors is an integer number (198198).

2⁷⁹⁰⁶³¹ is an apocalyptic number.

790631 is a deficient number, since it is larger than the sum of its proper divisors (2161).

790631 is a wasteful number, since it uses less digits than its factorization.

790631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 790631 is about 889.1743361119. The cubic root of 790631 is about 92.4679606593.

The spelling of 790631 in words is "seven hundred ninety thousand, six hundred thirty-one".