897861974 has 8 divisors (see below), whose sum is σ = 1347365280. Its totient is φ = 448740216.

The previous prime is 897861961. The next prime is 897861997. The reversal of 897861974 is 479168798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×897861974² = 1612312248710353352, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 89429 + ... + 98960.

It is an arithmetic number, because the mean of its divisors is an integer number (168420660).

Almost surely, 2^897861974 is an apocalyptic number.

897861974 is a deficient number, since it is larger than the sum of its proper divisors (449503306).

897861974 is a wasteful number, since it uses less digits than its factorization.

897861974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190774.

The product of its digits is 6096384, while the sum is 59.

The square root of 897861974 is about 29964.3450454035. The cubic root of 897861974 is about 964.7242445460.

The spelling of 897861974 in words is "eight hundred ninety-seven million, eight hundred sixty-one thousand, nine hundred seventy-four".