190310930 has 16 divisors (see below), whose sum is σ = 350915544. Its totient is φ = 74267520.

The previous prime is 190310929. The next prime is 190310933. The reversal of 190310930 is 39013091.

It can be written as a sum of positive squares in 4 ways, for example, as 154082569 + 36228361 = 12413^2 + 6019^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 190310930.

It is not an unprimeable number, because it can be changed into a prime (190310933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231677 + ... + 232496.

Almost surely, 2^190310930 is an apocalyptic number.

190310930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190310930 is a deficient number, since it is larger than the sum of its proper divisors (160604614).

190310930 is a wasteful number, since it uses less digits than its factorization.

190310930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464221.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 190310930 is about 13795.3227580945. The cubic root of 190310930 is about 575.2031342780.

The spelling of 190310930 in words is "one hundred ninety million, three hundred ten thousand, nine hundred thirty".