189466944 has 112 divisors (see below), whose sum is σ = 523841472. Its totient is φ = 60383232.

The previous prime is 189466943. The next prime is 189466951. The reversal of 189466944 is 449664981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189466943) 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, 437352 + ... + 437784.

It is an arithmetic number, because the mean of its divisors is an integer number (4677156).

Almost surely, 2^189466944 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 189466944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261920736).

189466944 is an abundant number, since it is smaller than the sum of its proper divisors (334374528).

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

189466944 is a wasteful number, since it uses less digits than its factorization.

189466944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 534 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 189466944 is about 13764.6991975851. The cubic root of 189466944 is about 574.3515755403.

The spelling of 189466944 in words is "one hundred eighty-nine million, four hundred sixty-six thousand, nine hundred forty-four".