898765432 has 16 divisors (see below), whose sum is σ = 1704121200. Its totient is φ = 444333120.

The previous prime is 898765429. The next prime is 898765451. The reversal of 898765432 is 234567898.

898765432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 898765432.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 630444 + ... + 631867.

It is an arithmetic number, because the mean of its divisors is an integer number (106507575).

Almost surely, 2^898765432 is an apocalyptic number.

It is an amenable number.

898765432 is a deficient number, since it is larger than the sum of its proper divisors (805355768).

898765432 is a wasteful number, since it uses less digits than its factorization.

898765432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262406 (or 1262402 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 898765432 is about 29979.4168055351. The cubic root of 898765432 is about 965.0477150738.

The spelling of 898765432 in words is "eight hundred ninety-eight million, seven hundred sixty-five thousand, four hundred thirty-two".