189345292 has 24 divisors (see below), whose sum is σ = 357688800. Its totient is φ = 87432576.

The previous prime is 189345251. The next prime is 189345293. The reversal of 189345292 is 292543981.

It is not an unprimeable number, because it can be changed into a prime (189345293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32817 + ... + 38152.

It is an arithmetic number, because the mean of its divisors is an integer number (14903700).

Almost surely, 2^189345292 is an apocalyptic number.

It is an amenable number.

189345292 is a deficient number, since it is larger than the sum of its proper divisors (168343508).

189345292 is a wasteful number, since it uses less digits than its factorization.

189345292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71025 (or 71023 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 189345292 is about 13760.2795029752. The cubic root of 189345292 is about 574.2286236137.

The spelling of 189345292 in words is "one hundred eighty-nine million, three hundred forty-five thousand, two hundred ninety-two".