189674925 has 48 divisors (see below), whose sum is σ = 347805120. Its totient is φ = 90432000.

The previous prime is 189674921. The next prime is 189674959. The reversal of 189674925 is 529476981.

It is not a de Polignac number, because 189674925 - 2² = 189674921 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189674921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48441 + ... + 52209.

It is an arithmetic number, because the mean of its divisors is an integer number (7245940).

Almost surely, 2^189674925 is an apocalyptic number.

189674925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189674925 is a deficient number, since it is larger than the sum of its proper divisors (158130195).

189674925 is a wasteful number, since it uses less digits than its factorization.

189674925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854 (or 3849 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 189674925 is about 13772.2519944997. The cubic root of 189674925 is about 574.5616570989.

The spelling of 189674925 in words is "one hundred eighty-nine million, six hundred seventy-four thousand, nine hundred twenty-five".