197864974 has 16 divisors (see below), whose sum is σ = 320864400. Its totient is φ = 91191744.

The previous prime is 197864939. The next prime is 197864981. The reversal of 197864974 is 479468791.

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, 68959 + ... + 71770.

It is an arithmetic number, because the mean of its divisors is an integer number (20054025).

Almost surely, 2^197864974 is an apocalyptic number.

197864974 is a deficient number, since it is larger than the sum of its proper divisors (122999426).

197864974 is a wasteful number, since it uses less digits than its factorization.

197864974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140787.

The product of its digits is 3048192, while the sum is 55.

The square root of 197864974 is about 14066.4485212153. The cubic root of 197864974 is about 582.7151473053.

The spelling of 197864974 in words is "one hundred ninety-seven million, eight hundred sixty-four thousand, nine hundred seventy-four".