190897082 has 16 divisors (see below), whose sum is σ = 297016200. Its totient is φ = 91909440.

The previous prime is 190897073. The next prime is 190897139. The reversal of 190897082 is 280798091.

It can be written as a sum of positive squares in 4 ways, for example, as 170276401 + 20620681 = 13049^2 + 4541^2 .

It is a super-2 number, since 2×190897082² = 72883391832229448, which contains 22 as substring.

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, 18332 + ... + 26792.

Almost surely, 2^190897082 is an apocalyptic number.

190897082 is a deficient number, since it is larger than the sum of its proper divisors (106119118).

190897082 is a wasteful number, since it uses less digits than its factorization.

190897082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 190897082 is about 13816.5510168059. The cubic root of 190897082 is about 575.7930652131.

The spelling of 190897082 in words is "one hundred ninety million, eight hundred ninety-seven thousand, eighty-two".