189875744 has 48 divisors (see below), whose sum is σ = 387830016. Its totient is φ = 91411200.

The previous prime is 189875689. The next prime is 189875753. The reversal of 189875744 is 447578981.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274439 + ... + 275129.

It is an arithmetic number, because the mean of its divisors is an integer number (8079792).

Almost surely, 2^189875744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189875744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193915008).

189875744 is an abundant number, since it is smaller than the sum of its proper divisors (197954272).

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

189875744 is a wasteful number, since it uses less digits than its factorization.

189875744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 1001 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 53.

The square root of 189875744 is about 13779.5407760926. The cubic root of 189875744 is about 574.7643586432.

The spelling of 189875744 in words is "one hundred eighty-nine million, eight hundred seventy-five thousand, seven hundred forty-four".