190394872 has 16 divisors (see below), whose sum is σ = 357555240. Its totient is φ = 95046816.

The previous prime is 190394821. The next prime is 190394873. The reversal of 190394872 is 278493091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190394873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13363 + ... + 23650.

Almost surely, 2^190394872 is an apocalyptic number.

It is an amenable number.

190394872 is a deficient number, since it is larger than the sum of its proper divisors (167160368).

190394872 is a wasteful number, since it uses less digits than its factorization.

190394872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37662 (or 37658 counting only the distinct ones).

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

The square root of 190394872 is about 13798.3648306602. The cubic root of 190394872 is about 575.2876916990.

The spelling of 190394872 in words is "one hundred ninety million, three hundred ninety-four thousand, eight hundred seventy-two".