897898437 has 36 divisors (see below), whose sum is σ = 1346604480. Its totient is φ = 576431856.

The previous prime is 897898427. The next prime is 897898451. The reversal of 897898437 is 734898798.

It is not a de Polignac number, because 897898437 - 2¹² = 897894341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897898427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1314298 + ... + 1314980.

It is an arithmetic number, because the mean of its divisors is an integer number (37405680).

Almost surely, 2^897898437 is an apocalyptic number.

It is an amenable number.

897898437 is a deficient number, since it is larger than the sum of its proper divisors (448706043).

897898437 is a wasteful number, since it uses less digits than its factorization.

897898437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 808 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 63.

The square root of 897898437 is about 29964.9534790228. The cubic root of 897898437 is about 964.7373038153.

The spelling of 897898437 in words is "eight hundred ninety-seven million, eight hundred ninety-eight thousand, four hundred thirty-seven".