197405564 has 12 divisors (see below), whose sum is σ = 365781024. Its totient is φ = 92896704.

The previous prime is 197405539. The next prime is 197405587. The reversal of 197405564 is 465504791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451444 + ... + 1451579.

It is an arithmetic number, because the mean of its divisors is an integer number (30481752).

Almost surely, 2^197405564 is an apocalyptic number.

It is an amenable number.

197405564 is a deficient number, since it is larger than the sum of its proper divisors (168375460).

197405564 is a wasteful number, since it uses less digits than its factorization.

197405564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903044 (or 2903042 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 197405564 is about 14050.1090387228. The cubic root of 197405564 is about 582.2638081636.

The spelling of 197405564 in words is "one hundred ninety-seven million, four hundred five thousand, five hundred sixty-four".