189094724 has 72 divisors (see below), whose sum is σ = 423642240. Its totient is φ = 73168704.

The previous prime is 189094681. The next prime is 189094727. The reversal of 189094724 is 427490981.

It is not an unprimeable number, because it can be changed into a prime (189094727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118967 + ... + 120545.

It is an arithmetic number, because the mean of its divisors is an integer number (5883920).

Almost surely, 2^189094724 is an apocalyptic number.

189094724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189094724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211821120).

189094724 is an abundant number, since it is smaller than the sum of its proper divisors (234547516).

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

189094724 is a wasteful number, since it uses less digits than its factorization.

189094724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 189094724 is about 13751.1717318925. The cubic root of 189094724 is about 573.9752120963.

The spelling of 189094724 in words is "one hundred eighty-nine million, ninety-four thousand, seven hundred twenty-four".