432731397 has 24 divisors (see below), whose sum is σ = 685466496. Its totient is φ = 242010048.

The previous prime is 432731389. The next prime is 432731399. The reversal of 432731397 is 793137234.

It is not a de Polignac number, because 432731397 - 2³ = 432731389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432731399) 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, 24408 + ... + 38225.

It is an arithmetic number, because the mean of its divisors is an integer number (28561104).

Almost surely, 2^432731397 is an apocalyptic number.

432731397 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

432731397 is a deficient number, since it is larger than the sum of its proper divisors (252735099).

432731397 is a wasteful number, since it uses less digits than its factorization.

432731397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62697 (or 62690 counting only the distinct ones).

The product of its digits is 95256, while the sum is 39.

The square root of 432731397 is about 20802.1969272479. The cubic root of 432731397 is about 756.3790109162.

The spelling of 432731397 in words is "four hundred thirty-two million, seven hundred thirty-one thousand, three hundred ninety-seven".