189954924 has 24 divisors (see below), whose sum is σ = 444378480. Its totient is φ = 63153984.

The previous prime is 189954917. The next prime is 189954937. The reversal of 189954924 is 429459981.

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, 15679 + ... + 25014.

It is an arithmetic number, because the mean of its divisors is an integer number (18515770).

Almost surely, 2^189954924 is an apocalyptic number.

It is an amenable number.

189954924 is an abundant number, since it is smaller than the sum of its proper divisors (254423556).

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

189954924 is a wasteful number, since it uses less digits than its factorization.

189954924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41089 (or 41087 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 189954924 is about 13782.4135767289. The cubic root of 189954924 is about 574.8442416173.

The spelling of 189954924 in words is "one hundred eighty-nine million, nine hundred fifty-four thousand, nine hundred twenty-four".