897985162 has 4 divisors (see below), whose sum is σ = 1346977746. Its totient is φ = 448992580.

The previous prime is 897985117. The next prime is 897985177. The reversal of 897985162 is 261589798.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 467381161 + 430604001 = 21619^2 + 20751^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224496289 + ... + 224496292.

Almost surely, 2^897985162 is an apocalyptic number.

897985162 is a deficient number, since it is larger than the sum of its proper divisors (448992584).

897985162 is a wasteful number, since it uses less digits than its factorization.

897985162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448992583.

The product of its digits is 2177280, while the sum is 55.

The square root of 897985162 is about 29966.4005512841. The cubic root of 897985162 is about 964.7683630627.

The spelling of 897985162 in words is "eight hundred ninety-seven million, nine hundred eighty-five thousand, one hundred sixty-two".