897928432 has 20 divisors (see below), whose sum is σ = 1786757416. Its totient is φ = 436829760.

The previous prime is 897928417. The next prime is 897928477. The reversal of 897928432 is 234829798.

It is a self number, because there is not a number n which added to its sum of digits gives 897928432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757794 + ... + 758977.

Almost surely, 2^897928432 is an apocalyptic number.

It is an amenable number.

897928432 is a deficient number, since it is larger than the sum of its proper divisors (888828984).

897928432 is a wasteful number, since it uses less digits than its factorization.

897928432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516816 (or 1516810 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The square root of 897928432 is about 29965.4539762040. The cubic root of 897928432 is about 964.7480462972.

The spelling of 897928432 in words is "eight hundred ninety-seven million, nine hundred twenty-eight thousand, four hundred thirty-two".