791936397 has 48 divisors (see below), whose sum is σ = 1380288000. Its totient is φ = 427423392.

The previous prime is 791936393. The next prime is 791936413. The reversal of 791936397 is 793639197.

It is not a de Polignac number, because 791936397 - 2² = 791936393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791936393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 500754 + ... + 502332.

It is an arithmetic number, because the mean of its divisors is an integer number (28756000).

Almost surely, 2^791936397 is an apocalyptic number.

It is an amenable number.

791936397 is a deficient number, since it is larger than the sum of its proper divisors (588351603).

791936397 is a wasteful number, since it uses less digits than its factorization.

791936397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2027 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 54.

The square root of 791936397 is about 28141.3645191558. The cubic root of 791936397 is about 925.1882342028.

The spelling of 791936397 in words is "seven hundred ninety-one million, nine hundred thirty-six thousand, three hundred ninety-seven".