189524940 has 48 divisors (see below), whose sum is σ = 578914560. Its totient is φ = 45945280.

The previous prime is 189524921. The next prime is 189524953. The reversal of 189524940 is 49425981.

It is a junction number, because it is equal to n+sod(n) for n = 189524892 and 189524901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142920 + ... + 144239.

It is an arithmetic number, because the mean of its divisors is an integer number (12060720).

Almost surely, 2^189524940 is an apocalyptic number.

189524940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189524940 is an abundant number, since it is smaller than the sum of its proper divisors (389389620).

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

189524940 is a wasteful number, since it uses less digits than its factorization.

189524940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287182 (or 287180 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 189524940 is about 13766.8057297254. The cubic root of 189524940 is about 574.4101727377.

The spelling of 189524940 in words is "one hundred eighty-nine million, five hundred twenty-four thousand, nine hundred forty".