8790631 has 4 divisors (see below), whose sum is σ = 8797264. Its totient is φ = 8784000.

The previous prime is 8790599. The next prime is 8790647. The reversal of 8790631 is 1360978.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1360978 = 2 ⋅680489.

It is a cyclic number.

It is not a de Polignac number, because 8790631 - 2⁵ = 8790599 is a prime.

It is a super-2 number, since 2×8790631² = 154550386756322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8790671) 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, 570 + ... + 4231.

It is an arithmetic number, because the mean of its divisors is an integer number (2199316).

Almost surely, 2^8790631 is an apocalyptic number.

8790631 is a deficient number, since it is larger than the sum of its proper divisors (6633).

8790631 is a wasteful number, since it uses less digits than its factorization.

8790631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 8790631 is about 2964.8998296738. The cubic root of 8790631 is about 206.3827286466.

The spelling of 8790631 in words is "eight million, seven hundred ninety thousand, six hundred thirty-one".