897698736 has 360 divisors, whose sum is σ = 3046505904. Its totient is φ = 244408320.

The previous prime is 897698729. The next prime is 897698749. The reversal of 897698736 is 637896798.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16937686 + ... + 16937738.

Almost surely, 2^897698736 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 897698736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523252952).

897698736 is an abundant number, since it is smaller than the sum of its proper divisors (2148807168).

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

897698736 is a wasteful number, since it uses less digits than its factorization.

897698736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 123 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 897698736 is about 29961.6210509378. The cubic root of 897698736 is about 964.6657763161.

The spelling of 897698736 in words is "eight hundred ninety-seven million, six hundred ninety-eight thousand, seven hundred thirty-six".