790689397 has 4 divisors (see below), whose sum is σ = 837200556. Its totient is φ = 744178240.

The previous prime is 790689343. The next prime is 790689401. The reversal of 790689397 is 793986097.

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

It can be written as a sum of positive squares in 2 ways, for example, as 613107121 + 177582276 = 24761^2 + 13326^2 .

It is a cyclic number.

It is not a de Polignac number, because 790689397 - 2²³ = 782300789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790689337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23255554 + ... + 23255587.

It is an arithmetic number, because the mean of its divisors is an integer number (209300139).

Almost surely, 2^790689397 is an apocalyptic number.

It is an amenable number.

790689397 is a deficient number, since it is larger than the sum of its proper divisors (46511159).

790689397 is a wasteful number, since it uses less digits than its factorization.

790689397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46511158.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 790689397 is about 28119.1997930240. The cubic root of 790689397 is about 924.7023720322.

The spelling of 790689397 in words is "seven hundred ninety million, six hundred eighty-nine thousand, three hundred ninety-seven".