190938472 has 8 divisors (see below), whose sum is σ = 358009650. Its totient is φ = 95469232.

The previous prime is 190938439. The next prime is 190938481. The reversal of 190938472 is 274839091.

It can be written as a sum of positive squares in only one way, i.e., 136562596 + 54375876 = 11686^2 + 7374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11933647 + ... + 11933662.

Almost surely, 2^190938472 is an apocalyptic number.

It is an amenable number.

190938472 is a deficient number, since it is larger than the sum of its proper divisors (167071178).

190938472 is a wasteful number, since it uses less digits than its factorization.

190938472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23867315 (or 23867311 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 190938472 is about 13818.0487768715. The cubic root of 190938472 is about 575.8346763831.

The spelling of 190938472 in words is "one hundred ninety million, nine hundred thirty-eight thousand, four hundred seventy-two".