189950152 has 16 divisors (see below), whose sum is σ = 407036160. Its totient is φ = 81407184.

The previous prime is 189950141. The next prime is 189950191. The reversal of 189950152 is 251059981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1695928 + ... + 1696039.

It is an arithmetic number, because the mean of its divisors is an integer number (25439760).

Almost surely, 2^189950152 is an apocalyptic number.

It is an amenable number.

189950152 is an abundant number, since it is smaller than the sum of its proper divisors (217086008).

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

189950152 is a wasteful number, since it uses less digits than its factorization.

189950152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391980 (or 3391976 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 189950152 is about 13782.2404564715. The cubic root of 189950152 is about 574.8394278793.

The spelling of 189950152 in words is "one hundred eighty-nine million, nine hundred fifty thousand, one hundred fifty-two".