194972324 has 6 divisors (see below), whose sum is σ = 341201574. Its totient is φ = 97486160.

The previous prime is 194972317. The next prime is 194972353. The reversal of 194972324 is 423279491.

194972324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 191324224 + 3648100 = 13832^2 + 1910^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24371537 + ... + 24371544.

It is an arithmetic number, because the mean of its divisors is an integer number (56866929).

Almost surely, 2^194972324 is an apocalyptic number.

It is an amenable number.

194972324 is a deficient number, since it is larger than the sum of its proper divisors (146229250).

194972324 is a wasteful number, since it uses less digits than its factorization.

194972324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48743085 (or 48743083 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 194972324 is about 13963.2490488425. The cubic root of 194972324 is about 579.8615642653.

The spelling of 194972324 in words is "one hundred ninety-four million, nine hundred seventy-two thousand, three hundred twenty-four".