397099593 has 24 divisors (see below), whose sum is σ = 627531840. Its totient is φ = 239974560.

The previous prime is 397099589. The next prime is 397099597. The reversal of 397099593 is 395990793.

It is an interprime number because it is at equal distance from previous prime (397099589) and next prime (397099597).

It is not a de Polignac number, because 397099593 - 2² = 397099589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (397099597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29955 + ... + 41127.

It is an arithmetic number, because the mean of its divisors is an integer number (26147160).

Almost surely, 2^397099593 is an apocalyptic number.

397099593 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

397099593 is a deficient number, since it is larger than the sum of its proper divisors (230432247).

397099593 is a wasteful number, since it uses less digits than its factorization.

397099593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549 (or 11546 counting only the distinct ones).

The product of its (nonzero) digits is 2066715, while the sum is 54.

The square root of 397099593 is about 19927.3579031441. The cubic root of 397099593 is about 735.0211128185.

The spelling of 397099593 in words is "three hundred ninety-seven million, ninety-nine thousand, five hundred ninety-three".