190494930 has 32 divisors (see below), whose sum is σ = 458671104. Its totient is φ = 50633856.

The previous prime is 190494929. The next prime is 190494949. The reversal of 190494930 is 39494091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754 + ... + 19533.

It is an arithmetic number, because the mean of its divisors is an integer number (14333472).

Almost surely, 2^190494930 is an apocalyptic number.

190494930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190494930 is an abundant number, since it is smaller than the sum of its proper divisors (268176174).

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

190494930 is a wasteful number, since it uses less digits than its factorization.

190494930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 190494930 is about 13801.9900738988. The cubic root of 190494930 is about 575.3884508120.

The spelling of 190494930 in words is "one hundred ninety million, four hundred ninety-four thousand, nine hundred thirty".