320679597 has 16 divisors (see below), whose sum is σ = 489096320. Its totient is φ = 183079872.

The previous prime is 320679589. The next prime is 320679607. The reversal of 320679597 is 795976023.

It is not a de Polignac number, because 320679597 - 2³ = 320679589 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 (320678597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19179 + ... + 31767.

It is an arithmetic number, because the mean of its divisors is an integer number (30568520).

Almost surely, 2^320679597 is an apocalyptic number.

It is an amenable number.

320679597 is a deficient number, since it is larger than the sum of its proper divisors (168416723).

320679597 is a wasteful number, since it uses less digits than its factorization.

320679597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812.

The product of its (nonzero) digits is 714420, while the sum is 48.

The square root of 320679597 is about 17907.5290590299. The cubic root of 320679597 is about 684.4742423499.

The spelling of 320679597 in words is "three hundred twenty million, six hundred seventy-nine thousand, five hundred ninety-seven".