897420888 has 288 divisors, whose sum is σ = 3226728960. Its totient is φ = 222566400.

The previous prime is 897420869. The next prime is 897420889. The reversal of 897420888 is 888024798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897420889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 779113 + ... + 780263.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^897420888 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 897420888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613364480).

897420888 is an abundant number, since it is smaller than the sum of its proper divisors (2329308072).

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

897420888 is a wasteful number, since it uses less digits than its factorization.

897420888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1193 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The square root of 897420888 is about 29956.9839603389. The cubic root of 897420888 is about 964.5662410253.

The spelling of 897420888 in words is "eight hundred ninety-seven million, four hundred twenty thousand, eight hundred eighty-eight".