897881334 has 64 divisors (see below), whose sum is σ = 2133000192. Its totient is φ = 246564000.

The previous prime is 897881311. The next prime is 897881351. The reversal of 897881334 is 433188798.

897881334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194319 + ... + 198885.

It is an arithmetic number, because the mean of its divisors is an integer number (33328128).

Almost surely, 2^897881334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897881334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066500096).

897881334 is an abundant number, since it is smaller than the sum of its proper divisors (1235118858).

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

897881334 is a wasteful number, since it uses less digits than its factorization.

897881334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761.

The product of its digits is 1161216, while the sum is 51.

The square root of 897881334 is about 29964.6680942740. The cubic root of 897881334 is about 964.7311783984.

The spelling of 897881334 in words is "eight hundred ninety-seven million, eight hundred eighty-one thousand, three hundred thirty-four".