189250330 has 16 divisors (see below), whose sum is σ = 341638560. Its totient is φ = 75480592.

The previous prime is 189250291. The next prime is 189250337. The reversal of 189250330 is 33052981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 189250292 and 189250301.

It is not an unprimeable number, because it can be changed into a prime (189250337) 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, 23800 + ... + 30739.

It is an arithmetic number, because the mean of its divisors is an integer number (21352410).

Almost surely, 2^189250330 is an apocalyptic number.

189250330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189250330 is a deficient number, since it is larger than the sum of its proper divisors (152388230).

189250330 is a wasteful number, since it uses less digits than its factorization.

189250330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54893.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 189250330 is about 13756.8284862464. The cubic root of 189250330 is about 574.1326102816.

The spelling of 189250330 in words is "one hundred eighty-nine million, two hundred fifty thousand, three hundred thirty".