194939372 has 6 divisors (see below), whose sum is σ = 341143908. Its totient is φ = 97469684.

The previous prime is 194939317. The next prime is 194939389. The reversal of 194939372 is 273939491.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24367418 + ... + 24367425.

It is an arithmetic number, because the mean of its divisors is an integer number (56857318).

Almost surely, 2^194939372 is an apocalyptic number.

It is an amenable number.

194939372 is a deficient number, since it is larger than the sum of its proper divisors (146204536).

194939372 is a wasteful number, since it uses less digits than its factorization.

194939372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48734847 (or 48734845 counting only the distinct ones).

The product of its digits is 367416, while the sum is 47.

The square root of 194939372 is about 13962.0690443788. The cubic root of 194939372 is about 579.8288952272.

The spelling of 194939372 in words is "one hundred ninety-four million, nine hundred thirty-nine thousand, three hundred seventy-two".