190530856 has 16 divisors (see below), whose sum is σ = 364847040. Its totient is φ = 93238320.

The previous prime is 190530853. The next prime is 190530859. The reversal of 190530856 is 658035091.

It is an interprime number because it is at equal distance from previous prime (190530853) and next prime (190530859).

It is not an unprimeable number, because it can be changed into a prime (190530853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252990 + ... + 253741.

It is an arithmetic number, because the mean of its divisors is an integer number (22802940).

Almost surely, 2^190530856 is an apocalyptic number.

It is an amenable number.

190530856 is a deficient number, since it is larger than the sum of its proper divisors (174316184).

190530856 is a wasteful number, since it uses less digits than its factorization.

190530856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506784 (or 506780 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 190530856 is about 13803.2914915248. The cubic root of 190530856 is about 575.4246199393.

It can be divided in two parts, 1905 and 30856, that added together give a square (32761 = 181²).

The spelling of 190530856 in words is "one hundred ninety million, five hundred thirty thousand, eight hundred fifty-six".