397659093 has 16 divisors (see below), whose sum is σ = 571924416. Its totient is φ = 244316160.

The previous prime is 397659047. The next prime is 397659109. The reversal of 397659093 is 390956793.

It is not a de Polignac number, because 397659093 - 2¹⁶ = 397593557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397659013) 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 15 ways as a sum of consecutive naturals, for example, 17046 + ... + 32952.

It is an arithmetic number, because the mean of its divisors is an integer number (35745276).

Almost surely, 2^397659093 is an apocalyptic number.

It is an amenable number.

397659093 is a deficient number, since it is larger than the sum of its proper divisors (174265323).

397659093 is a wasteful number, since it uses less digits than its factorization.

397659093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16564.

The product of its (nonzero) digits is 1377810, while the sum is 51.

The square root of 397659093 is about 19941.3914509495. The cubic root of 397659093 is about 735.3661575107.

The spelling of 397659093 in words is "three hundred ninety-seven million, six hundred fifty-nine thousand, ninety-three".