189482500 has 30 divisors (see below), whose sum is σ = 414365798. Its totient is φ = 75792000.

The previous prime is 189482479. The next prime is 189482507. The reversal of 189482500 is 5284981.

It can be written as a sum of positive squares in 5 ways, for example, as 45914176 + 143568324 = 6776^2 + 11982^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189482500.

It is not an unprimeable number, because it can be changed into a prime (189482507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35397 + ... + 40396.

Almost surely, 2^189482500 is an apocalyptic number.

189482500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189482500 is an abundant number, since it is smaller than the sum of its proper divisors (224883298).

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

189482500 is an equidigital number, since it uses as much as digits as its factorization.

189482500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75817 (or 75800 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 189482500 is about 13765.2642546375. The cubic root of 189482500 is about 574.3672939701.

The spelling of 189482500 in words is "one hundred eighty-nine million, four hundred eighty-two thousand, five hundred".