194693264 has 20 divisors (see below), whose sum is σ = 377563260. Its totient is φ = 97257600.

The previous prime is 194693251. The next prime is 194693309. The reversal of 194693264 is 462396491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189888400 + 4804864 = 13780^2 + 2192^2 .

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, 14714 + ... + 24614.

It is an arithmetic number, because the mean of its divisors is an integer number (18878163).

Almost surely, 2^194693264 is an apocalyptic number.

It is an amenable number.

194693264 is a deficient number, since it is larger than the sum of its proper divisors (182869996).

194693264 is a wasteful number, since it uses less digits than its factorization.

194693264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11138 (or 11132 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The square root of 194693264 is about 13953.2528107248. The cubic root of 194693264 is about 579.5847840747.

The spelling of 194693264 in words is "one hundred ninety-four million, six hundred ninety-three thousand, two hundred sixty-four".