897942 has 16 divisors (see below), whose sum is σ = 1813680. Its totient is φ = 296352.

The previous prime is 897931. The next prime is 897947. The reversal of 897942 is 249798.

It is a self number, because there is not a number n which added to its sum of digits gives 897942.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 33 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (113355).

2⁸⁹⁷⁹⁴² is an apocalyptic number.

897942 is an abundant number, since it is smaller than the sum of its proper divisors (915738).

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

897942 is a wasteful number, since it uses less digits than its factorization.

897942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its digits is 36288, while the sum is 39.

The square root of 897942 is about 947.5980160384. The cubic root of 897942 is about 96.4752905495.

The spelling of 897942 in words is "eight hundred ninety-seven thousand, nine hundred forty-two".