897605742 has 32 divisors (see below), whose sum is σ = 1983214080. Its totient is φ = 268557120.

The previous prime is 897605707. The next prime is 897605749. The reversal of 897605742 is 247506798.

It is a junction number, because it is equal to n+sod(n) for n = 897605691 and 897605700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897605749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80863 + ... + 91290.

It is an arithmetic number, because the mean of its divisors is an integer number (61975440).

Almost surely, 2^897605742 is an apocalyptic number.

897605742 is an abundant number, since it is smaller than the sum of its proper divisors (1085608338).

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

897605742 is a wasteful number, since it uses less digits than its factorization.

897605742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172248.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 897605742 is about 29960.0691254209. The cubic root of 897605742 is about 964.6324647594.

The spelling of 897605742 in words is "eight hundred ninety-seven million, six hundred five thousand, seven hundred forty-two".