897948 has 18 divisors (see below), whose sum is σ = 2269904. Its totient is φ = 299304.

The previous prime is 897947. The next prime is 897971. The reversal of 897948 is 849798.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×897948² = 1612621221408, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 897948.

It is not an unprimeable number, because it can be changed into a prime (897947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12436 + ... + 12507.

2⁸⁹⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

897948 is an abundant number, since it is smaller than the sum of its proper divisors (1371956).

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

897948 is a wasteful number, since it uses less digits than its factorization.

897948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24953 (or 24948 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 897948 is about 947.6011819326. The cubic root of 897948 is about 96.4755054299.

The spelling of 897948 in words is "eight hundred ninety-seven thousand, nine hundred forty-eight".