188970250 has 64 divisors (see below), whose sum is σ = 409473792. Its totient is φ = 63960000.

The previous prime is 188970241. The next prime is 188970311. The reversal of 188970250 is 52079881.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

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 31 ways as a sum of consecutive naturals, for example, 144600 + ... + 145900.

It is an arithmetic number, because the mean of its divisors is an integer number (6398028).

Almost surely, 2^188970250 is an apocalyptic number.

188970250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188970250 is an abundant number, since it is smaller than the sum of its proper divisors (220503542).

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

188970250 is a wasteful number, since it uses less digits than its factorization.

188970250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1398 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 188970250 is about 13746.6450452465. The cubic root of 188970250 is about 573.8492422979.

The spelling of 188970250 in words is "one hundred eighty-eight million, nine hundred seventy thousand, two hundred fifty".