190170028 has 12 divisors (see below), whose sum is σ = 333110232. Its totient is φ = 94995680.

The previous prime is 190169999. The next prime is 190170059. The reversal of 190170028 is 820071091.

It is a junction number, because it is equal to n+sod(n) for n = 190169978 and 190170005.

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, 17425 + ... + 26152.

It is an arithmetic number, because the mean of its divisors is an integer number (27759186).

Almost surely, 2^190170028 is an apocalyptic number.

It is an amenable number.

190170028 is a deficient number, since it is larger than the sum of its proper divisors (142940204).

190170028 is a wasteful number, since it uses less digits than its factorization.

190170028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44672 (or 44670 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 190170028 is about 13790.2149366861. The cubic root of 190170028 is about 575.0611433405.

The spelling of 190170028 in words is "one hundred ninety million, one hundred seventy thousand, twenty-eight".