897409276 has 12 divisors (see below), whose sum is σ = 1571619672. Its totient is φ = 448375088.

The previous prime is 897409267. The next prime is 897409309. The reversal of 897409276 is 672904798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76210 + ... + 87193.

It is an arithmetic number, because the mean of its divisors is an integer number (130968306).

Almost surely, 2^897409276 is an apocalyptic number.

It is an amenable number.

897409276 is a deficient number, since it is larger than the sum of its proper divisors (674210396).

897409276 is a wasteful number, since it uses less digits than its factorization.

897409276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164780 (or 164778 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 897409276 is about 29956.7901484789. The cubic root of 897409276 is about 964.5620807361.

The spelling of 897409276 in words is "eight hundred ninety-seven million, four hundred nine thousand, two hundred seventy-six".