897218416 has 20 divisors (see below), whose sum is σ = 1780761024. Its totient is φ = 437667200.

The previous prime is 897218381. The next prime is 897218473. The reversal of 897218416 is 614812798.

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, 683200 + ... + 684511.

Almost surely, 2^897218416 is an apocalyptic number.

It is an amenable number.

897218416 is a deficient number, since it is larger than the sum of its proper divisors (883542608).

897218416 is a wasteful number, since it uses less digits than its factorization.

897218416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367760 (or 1367754 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 897218416 is about 29953.6043907908. The cubic root of 897218416 is about 964.4936952267.

The spelling of 897218416 in words is "eight hundred ninety-seven million, two hundred eighteen thousand, four hundred sixteen".