189493044 has 48 divisors (see below), whose sum is σ = 496874112. Its totient is φ = 55769472.

The previous prime is 189493043. The next prime is 189493081. The reversal of 189493044 is 440394981.

189493044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189493044² = 71815227448771872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189492987 and 189493005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189493043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22819 + ... + 29994.

It is an arithmetic number, because the mean of its divisors is an integer number (10351544).

Almost surely, 2^189493044 is an apocalyptic number.

It is an amenable number.

189493044 is an abundant number, since it is smaller than the sum of its proper divisors (307381068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189493044 is a wasteful number, since it uses less digits than its factorization.

189493044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52856 (or 52854 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 189493044 is about 13765.6472423203. The cubic root of 189493044 is about 574.3779475774.

The spelling of 189493044 in words is "one hundred eighty-nine million, four hundred ninety-three thousand, forty-four".