189024394 has 32 divisors (see below), whose sum is σ = 329449680. Its totient is φ = 80550912.

The previous prime is 189024371. The next prime is 189024403. The reversal of 189024394 is 493420981.

It can be written as a sum of positive squares in 8 ways, for example, as 40793769 + 148230625 = 6387^2 + 12175^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19392 + ... + 27460.

Almost surely, 2^189024394 is an apocalyptic number.

189024394 is a deficient number, since it is larger than the sum of its proper divisors (140425286).

189024394 is a wasteful number, since it uses less digits than its factorization.

189024394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8154.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 189024394 is about 13748.6142574443. The cubic root of 189024394 is about 573.9040437395.

The spelling of 189024394 in words is "one hundred eighty-nine million, twenty-four thousand, three hundred ninety-four".