189298944 has 216 divisors, whose sum is σ = 602652960. Its totient is φ = 59056128.

The previous prime is 189298937. The next prime is 189298951. The reversal of 189298944 is 449892981.

It is an interprime number because it is at equal distance from previous prime (189298937) and next prime (189298951).

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057447 + ... + 1057625.

It is an arithmetic number, because the mean of its divisors is an integer number (2790060).

Almost surely, 2^189298944 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 189298944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301326480).

189298944 is an abundant number, since it is smaller than the sum of its proper divisors (413354016).

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

189298944 is an equidigital number, since it uses as much as digits as its factorization.

189298944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 201 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 189298944 is about 13758.5952771349. The cubic root of 189298944 is about 574.1817665027.

The spelling of 189298944 in words is "one hundred eighty-nine million, two hundred ninety-eight thousand, nine hundred forty-four".