790985431 has 4 divisors (see below), whose sum is σ = 792065272. Its totient is φ = 789905592.

The previous prime is 790985413. The next prime is 790985443. The reversal of 790985431 is 134589097.

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 790985431 - 2²⁷ = 656767703 is a prime.

It is a super-2 number, since 2×790985431² = 1251315904108511522, 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 (790985471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538821 + ... + 540286.

It is an arithmetic number, because the mean of its divisors is an integer number (198016318).

Almost surely, 2^790985431 is an apocalyptic number.

790985431 is a deficient number, since it is larger than the sum of its proper divisors (1079841).

790985431 is a wasteful number, since it uses less digits than its factorization.

790985431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079840.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 790985431 is about 28124.4632126553. The cubic root of 790985431 is about 924.8177604460.

The spelling of 790985431 in words is "seven hundred ninety million, nine hundred eighty-five thousand, four hundred thirty-one".