897430854 has 16 divisors (see below), whose sum is σ = 1812633840. Its totient is φ = 296181600.

The previous prime is 897430823. The next prime is 897430861. The reversal of 897430854 is 458034798.

It is a super-2 number, since 2×897430854² = 1610764275422338632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739849 + ... + 741060.

It is an arithmetic number, because the mean of its divisors is an integer number (113289615).

Almost surely, 2^897430854 is an apocalyptic number.

897430854 is an abundant number, since it is smaller than the sum of its proper divisors (915202986).

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

897430854 is a wasteful number, since it uses less digits than its factorization.

897430854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481015.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 897430854 is about 29957.1502983845. The cubic root of 897430854 is about 964.5698115654.

The spelling of 897430854 in words is "eight hundred ninety-seven million, four hundred thirty thousand, eight hundred fifty-four".