190979086 has 4 divisors (see below), whose sum is σ = 286468632. Its totient is φ = 95489542.

The previous prime is 190979077. The next prime is 190979167. The reversal of 190979086 is 680979091.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×190979086² = 72946022578790792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47744770 + ... + 47744773.

It is an arithmetic number, because the mean of its divisors is an integer number (71617158).

Almost surely, 2^190979086 is an apocalyptic number.

190979086 is a deficient number, since it is larger than the sum of its proper divisors (95489546).

190979086 is an equidigital number, since it uses as much as digits as its factorization.

190979086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95489545.

The product of its (nonzero) digits is 244944, while the sum is 49.

The square root of 190979086 is about 13819.5182984068. The cubic root of 190979086 is about 575.8755015615.

The spelling of 190979086 in words is "one hundred ninety million, nine hundred seventy-nine thousand, eighty-six".