190490700 has 36 divisors (see below), whose sum is σ = 551153960. Its totient is φ = 50797440.

The previous prime is 190490687. The next prime is 190490711. The reversal of 190490700 is 7094091.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317185 + ... + 317784.

Almost surely, 2^190490700 is an apocalyptic number.

190490700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190490700 is an abundant number, since it is smaller than the sum of its proper divisors (360663260).

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

190490700 is a wasteful number, since it uses less digits than its factorization.

190490700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634986 (or 634979 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 190490700 is about 13801.8368342768. The cubic root of 190490700 is about 575.3841918865.

The spelling of 190490700 in words is "one hundred ninety million, four hundred ninety thousand, seven hundred".