189344404 has 24 divisors (see below), whose sum is σ = 343526400. Its totient is φ = 91220640.

The previous prime is 189344401. The next prime is 189344411. The reversal of 189344404 is 404443981.

It is a happy number.

It is a super-2 number, since 2×189344404² = 71702606652230432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189344401) 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, 26442 + ... + 32830.

It is an arithmetic number, because the mean of its divisors is an integer number (14313600).

Almost surely, 2^189344404 is an apocalyptic number.

It is an amenable number.

189344404 is a deficient number, since it is larger than the sum of its proper divisors (154181996).

189344404 is a wasteful number, since it uses less digits than its factorization.

189344404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 189344404 is about 13760.2472361510. The cubic root of 189344404 is about 574.2277259313.

The spelling of 189344404 in words is "one hundred eighty-nine million, three hundred forty-four thousand, four hundred four".