432898921 has 16 divisors (see below), whose sum is σ = 551174400. Its totient is φ = 330700608.

The previous prime is 432898919. The next prime is 432898943. The reversal of 432898921 is 129898234.

It is not a de Polignac number, because 432898921 - 2¹ = 432898919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (432898021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79381 + ... + 84658.

It is an arithmetic number, because the mean of its divisors is an integer number (34448400).

Almost surely, 2^432898921 is an apocalyptic number.

It is an amenable number.

432898921 is a deficient number, since it is larger than the sum of its proper divisors (118275479).

432898921 is a wasteful number, since it uses less digits than its factorization.

432898921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164088.

The product of its digits is 248832, while the sum is 46.

The square root of 432898921 is about 20806.2231315537. The cubic root of 432898921 is about 756.4766043968.

The spelling of 432898921 in words is "four hundred thirty-two million, eight hundred ninety-eight thousand, nine hundred twenty-one".