897166368 has 240 divisors, whose sum is σ = 3042857664. Its totient is φ = 254016000.

The previous prime is 897166357. The next prime is 897166373. The reversal of 897166368 is 863661798.

It is a happy number.

It is a super-2 number, since 2×897166368² = 1609814983740622848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3574243 + ... + 3574493.

Almost surely, 2^897166368 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 897166368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521428832).

897166368 is an abundant number, since it is smaller than the sum of its proper divisors (2145691296).

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

897166368 is a wasteful number, since it uses less digits than its factorization.

897166368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 460 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 897166368 is about 29952.7355678910. The cubic root of 897166368 is about 964.4750446441.

The spelling of 897166368 in words is "eight hundred ninety-seven million, one hundred sixty-six thousand, three hundred sixty-eight".