197958432 has 72 divisors (see below), whose sum is σ = 604494576. Its totient is φ = 56558208.

The previous prime is 197958419. The next prime is 197958443. The reversal of 197958432 is 234859791.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 11 ways as a sum of consecutive naturals, for example, 16338 + ... + 25745.

It is an arithmetic number, because the mean of its divisors is an integer number (8395758).

Almost surely, 2^197958432 is an apocalyptic number.

197958432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197958432 is an abundant number, since it is smaller than the sum of its proper divisors (406536144).

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

197958432 is a wasteful number, since it uses less digits than its factorization.

197958432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42110 (or 42095 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 197958432 is about 14069.7701473763. The cubic root of 197958432 is about 582.8068779084.

The spelling of 197958432 in words is "one hundred ninety-seven million, nine hundred fifty-eight thousand, four hundred thirty-two".