189394441 has 8 divisors (see below), whose sum is σ = 191496744. Its totient is φ = 187299840.

The previous prime is 189394423. The next prime is 189394459. The reversal of 189394441 is 144493981.

189394441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (189394423) and next prime (189394459).

It can be written as a sum of positive squares in 4 ways, for example, as 6739216 + 182655225 = 2596^2 + 13515^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189394441 - 2⁵ = 189394409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189394141) 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, 57265 + ... + 60481.

It is an arithmetic number, because the mean of its divisors is an integer number (23937093).

Almost surely, 2^189394441 is an apocalyptic number.

It is an amenable number.

189394441 is a deficient number, since it is larger than the sum of its proper divisors (2102303).

189394441 is a wasteful number, since it uses less digits than its factorization.

189394441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851.

The product of its digits is 124416, while the sum is 43.

The square root of 189394441 is about 13762.0652883206. The cubic root of 189394441 is about 574.2783041395.

The spelling of 189394441 in words is "one hundred eighty-nine million, three hundred ninety-four thousand, four hundred forty-one".