190295990 has 16 divisors (see below), whose sum is σ = 346870080. Its totient is φ = 75154560.

The previous prime is 190295983. The next prime is 190296031. The reversal of 190295990 is 99592091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119651 + ... + 121230.

It is an arithmetic number, because the mean of its divisors is an integer number (21679380).

Almost surely, 2^190295990 is an apocalyptic number.

190295990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190295990 is a deficient number, since it is larger than the sum of its proper divisors (156574090).

190295990 is a wasteful number, since it uses less digits than its factorization.

190295990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240967.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 190295990 is about 13794.7812595923. The cubic root of 190295990 is about 575.1880821390.

The spelling of 190295990 in words is "one hundred ninety million, two hundred ninety-five thousand, nine hundred ninety".