190151728 has 20 divisors (see below), whose sum is σ = 396759328. Its totient is φ = 87762240.

The previous prime is 190151713. The next prime is 190151777. The reversal of 190151728 is 827151091.

It is a happy number.

190151728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190151728² = 72315359322771968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190151693 and 190151702.

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, 456888 + ... + 457303.

Almost surely, 2^190151728 is an apocalyptic number.

It is an amenable number.

190151728 is an abundant number, since it is smaller than the sum of its proper divisors (206607600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190151728 is a wasteful number, since it uses less digits than its factorization.

190151728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914212 (or 914206 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 190151728 is about 13789.5514067717. The cubic root of 190151728 is about 575.0426967665.

The spelling of 190151728 in words is "one hundred ninety million, one hundred fifty-one thousand, seven hundred twenty-eight".