194257372 has 6 divisors (see below), whose sum is σ = 339950408. Its totient is φ = 97128684.

The previous prime is 194257339. The next prime is 194257391. The reversal of 194257372 is 273752491.

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 as a sum of consecutive naturals, namely, 24282168 + ... + 24282175.

Almost surely, 2^194257372 is an apocalyptic number.

It is an amenable number.

194257372 is a deficient number, since it is larger than the sum of its proper divisors (145693036).

194257372 is a wasteful number, since it uses less digits than its factorization.

194257372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48564347 (or 48564345 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 194257372 is about 13937.6243312840. The cubic root of 194257372 is about 579.1519234474.

The spelling of 194257372 in words is "one hundred ninety-four million, two hundred fifty-seven thousand, three hundred seventy-two".