190372928 has 14 divisors (see below), whose sum is σ = 377771406. Its totient is φ = 95186432.

The previous prime is 190372927. The next prime is 190372933. The reversal of 190372928 is 829273091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 190219264 + 153664 = 13792^2 + 392^2 .

It is not an unprimeable number, because it can be changed into a prime (190372921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487225 + ... + 1487352.

Almost surely, 2^190372928 is an apocalyptic number.

It is an amenable number.

190372928 is a deficient number, since it is larger than the sum of its proper divisors (187398478).

190372928 is an equidigital number, since it uses as much as digits as its factorization.

190372928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974589 (or 2974579 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 190372928 is about 13797.5696410636. The cubic root of 190372928 is about 575.2655892162.

The spelling of 190372928 in words is "one hundred ninety million, three hundred seventy-two thousand, nine hundred twenty-eight".