189852975 has 72 divisors (see below), whose sum is σ = 374267712. Its totient is φ = 91411200.

The previous prime is 189852961. The next prime is 189852977. The reversal of 189852975 is 579258981.

It is not a de Polignac number, because 189852975 - 2⁶ = 189852911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189852977) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 136785 + ... + 138165.

Almost surely, 2^189852975 is an apocalyptic number.

189852975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189852975 is a deficient number, since it is larger than the sum of its proper divisors (184414737).

189852975 is a wasteful number, since it uses less digits than its factorization.

189852975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457 (or 1449 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The square root of 189852975 is about 13778.7145626869. The cubic root of 189852975 is about 574.7413833849.

The spelling of 189852975 in words is "one hundred eighty-nine million, eight hundred fifty-two thousand, nine hundred seventy-five".