190874634 has 16 divisors (see below), whose sum is σ = 384182688. Its totient is φ = 63219312.

The previous prime is 190874597. The next prime is 190874669. The reversal of 190874634 is 436478091.

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, 100372 + ... + 102255.

It is an arithmetic number, because the mean of its divisors is an integer number (24011418).

Almost surely, 2^190874634 is an apocalyptic number.

190874634 is an abundant number, since it is smaller than the sum of its proper divisors (193308054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190874634 is a wasteful number, since it uses less digits than its factorization.

190874634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202789.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 190874634 is about 13815.7386338914. The cubic root of 190874634 is about 575.7704947452.

The spelling of 190874634 in words is "one hundred ninety million, eight hundred seventy-four thousand, six hundred thirty-four".