189738112 has 32 divisors (see below), whose sum is σ = 378889200. Its totient is φ = 94644480.

The previous prime is 189738103. The next prime is 189738149. The reversal of 189738112 is 211837981.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×189738112² = 72001102290649088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61339 + ... + 64357.

Almost surely, 2^189738112 is an apocalyptic number.

It is an amenable number.

189738112 is a deficient number, since it is larger than the sum of its proper divisors (189151088).

189738112 is an equidigital number, since it uses as much as digits as its factorization.

189738112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524 (or 3512 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 189738112 is about 13774.5458001344. The cubic root of 189738112 is about 574.6254518550.

The spelling of 189738112 in words is "one hundred eighty-nine million, seven hundred thirty-eight thousand, one hundred twelve".