897631800 has 192 divisors, whose sum is σ = 3019910880. Its totient is φ = 219248640.

The previous prime is 897631793. The next prime is 897631811. The reversal of 897631800 is 8136798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1224234 + ... + 1224966.

Almost surely, 2^897631800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897631800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509955440).

897631800 is an abundant number, since it is smaller than the sum of its proper divisors (2122279080).

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

897631800 is a wasteful number, since it uses less digits than its factorization.

897631800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 897631800 is about 29960.5040011012. The cubic root of 897631800 is about 964.6417992769.

The spelling of 897631800 in words is "eight hundred ninety-seven million, six hundred thirty-one thousand, eight hundred".