431232393 has 8 divisors (see below), whose sum is σ = 581904288. Its totient is φ = 284024384.

The previous prime is 431232367. The next prime is 431232397. The reversal of 431232393 is 393232134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431232393 - 2²² = 427038089 is a prime.

It is a super-2 number, since 2×431232393² = 371922753545012898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431232393.

It is not an unprimeable number, because it can be changed into a prime (431232397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865680 + ... + 866177.

It is an arithmetic number, because the mean of its divisors is an integer number (72738036).

Almost surely, 2^431232393 is an apocalyptic number.

It is an amenable number.

431232393 is a deficient number, since it is larger than the sum of its proper divisors (150671895).

431232393 is a wasteful number, since it uses less digits than its factorization.

431232393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731943.

The product of its digits is 11664, while the sum is 30.

The square root of 431232393 is about 20766.1357262250. The cubic root of 431232393 is about 755.5046217884.

The spelling of 431232393 in words is "four hundred thirty-one million, two hundred thirty-two thousand, three hundred ninety-three".