189501338 has 16 divisors (see below), whose sum is σ = 306502056. Its totient is φ = 87352320.

The previous prime is 189501337. The next prime is 189501349. The reversal of 189501338 is 833105981.

It can be written as a sum of positive squares in 4 ways, for example, as 124166449 + 65334889 = 11143^2 + 8083^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189501337) 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, 18770 + ... + 27042.

Almost surely, 2^189501338 is an apocalyptic number.

189501338 is a deficient number, since it is larger than the sum of its proper divisors (117000718).

189501338 is a wasteful number, since it uses less digits than its factorization.

189501338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9169.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 189501338 is about 13765.9484961989. The cubic root of 189501338 is about 574.3863275177.

The spelling of 189501338 in words is "one hundred eighty-nine million, five hundred one thousand, three hundred thirty-eight".