189814250 has 32 divisors (see below), whose sum is σ = 356745168. Its totient is φ = 75624000.

The previous prime is 189814241. The next prime is 189814279. The reversal of 189814250 is 52418981.

189814250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2042041 + 187772209 = 1429^2 + 13703^2 .

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, 67880 + ... + 70620.

Almost surely, 2^189814250 is an apocalyptic number.

189814250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189814250 is a deficient number, since it is larger than the sum of its proper divisors (166930918).

189814250 is a wasteful number, since it uses less digits than its factorization.

189814250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 189814250 is about 13777.3092438255. The cubic root of 189814250 is about 574.7023033661.

The spelling of 189814250 in words is "one hundred eighty-nine million, eight hundred fourteen thousand, two hundred fifty".