189425530 has 16 divisors (see below), whose sum is σ = 389675520. Its totient is φ = 64945872.

The previous prime is 189425519. The next prime is 189425563. The reversal of 189425530 is 35524981.

It is a self number, because there is not a number n which added to its sum of digits gives 189425530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1352970 + ... + 1353109.

It is an arithmetic number, because the mean of its divisors is an integer number (24354720).

Almost surely, 2^189425530 is an apocalyptic number.

189425530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189425530 is an abundant number, since it is smaller than the sum of its proper divisors (200249990).

189425530 is a wasteful number, since it uses less digits than its factorization.

189425530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706093.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 189425530 is about 13763.1947599386. The cubic root of 189425530 is about 574.3097249164.

The spelling of 189425530 in words is "one hundred eighty-nine million, four hundred twenty-five thousand, five hundred thirty".