197392965 has 128 divisors (see below), whose sum is σ = 420249600. Its totient is φ = 76723200.

The previous prime is 197392931. The next prime is 197392981. The reversal of 197392965 is 569293791.

It is a happy number.

It is not a de Polignac number, because 197392965 - 2¹⁰ = 197391941 is a prime.

Its product of digits (918540) is a multiple of the sum of its prime divisors (243).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1324711 + ... + 1324859.

It is an arithmetic number, because the mean of its divisors is an integer number (3283200).

Almost surely, 2^197392965 is an apocalyptic number.

197392965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197392965 is an abundant number, since it is smaller than the sum of its proper divisors (222856635).

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

197392965 is a wasteful number, since it uses less digits than its factorization.

197392965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 918540, while the sum is 51.

The square root of 197392965 is about 14049.6606720590. The cubic root of 197392965 is about 582.2514206408.

The spelling of 197392965 in words is "one hundred ninety-seven million, three hundred ninety-two thousand, nine hundred sixty-five".