190472885 has 8 divisors (see below), whose sum is σ = 228659640. Its totient is φ = 152316864.

The previous prime is 190472873. The next prime is 190472923. The reversal of 190472885 is 588274091.

It can be written as a sum of positive squares in 4 ways, for example, as 3713329 + 186759556 = 1927^2 + 13666^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190472885 - 2⁸ = 190472629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9419 + ... + 21671.

It is an arithmetic number, because the mean of its divisors is an integer number (28582455).

Almost surely, 2^190472885 is an apocalyptic number.

It is an amenable number.

190472885 is a deficient number, since it is larger than the sum of its proper divisors (38186755).

190472885 is a wasteful number, since it uses less digits than its factorization.

190472885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15367.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 190472885 is about 13801.1914340755. The cubic root of 190472885 is about 575.3662543722.

The spelling of 190472885 in words is "one hundred ninety million, four hundred seventy-two thousand, eight hundred eighty-five".