192988830 has 16 divisors (see below), whose sum is σ = 463173264. Its totient is φ = 51463680.

The previous prime is 192988813. The next prime is 192988843. The reversal of 192988830 is 38889291.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 192988830.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3216451 + ... + 3216510.

It is an arithmetic number, because the mean of its divisors is an integer number (28948329).

Almost surely, 2^192988830 is an apocalyptic number.

192988830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192988830 is an abundant number, since it is smaller than the sum of its proper divisors (270184434).

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

192988830 is a wasteful number, since it uses less digits than its factorization.

192988830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432971.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 192988830 is about 13892.0419665361. The cubic root of 192988830 is about 577.8885075278. Note that the first 3 decimals are identical.

The spelling of 192988830 in words is "one hundred ninety-two million, nine hundred eighty-eight thousand, eight hundred thirty".