897926992 has 20 divisors (see below), whose sum is σ = 1815374880. Its totient is φ = 429443168.

The previous prime is 897926983. The next prime is 897926993. The reversal of 897926992 is 299629798.

It is a self number, because there is not a number n which added to its sum of digits gives 897926992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897926993) 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 3 ways as a sum of consecutive naturals, for example, 1219642 + ... + 1220377.

It is an arithmetic number, because the mean of its divisors is an integer number (90768744).

Almost surely, 2^897926992 is an apocalyptic number.

It is an amenable number.

897926992 is an abundant number, since it is smaller than the sum of its proper divisors (917447888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

897926992 is a wasteful number, since it uses less digits than its factorization.

897926992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440050 (or 2440044 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 61.

The square root of 897926992 is about 29965.4299485257. The cubic root of 897926992 is about 964.7475305776.

The spelling of 897926992 in words is "eight hundred ninety-seven million, nine hundred twenty-six thousand, nine hundred ninety-two".