189238080 has 56 divisors (see below), whose sum is σ = 600833952. Its totient is φ = 50463232.

The previous prime is 189238073. The next prime is 189238087. The reversal of 189238080 is 80832981.

It is an interprime number because it is at equal distance from previous prime (189238073) and next prime (189238087).

It is a super-2 number, since 2×189238080² = 71622101844172800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189238087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97602 + ... + 99521.

Almost surely, 2^189238080 is an apocalyptic number.

189238080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189238080 is an abundant number, since it is smaller than the sum of its proper divisors (411595872).

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

189238080 is a wasteful number, since it uses less digits than its factorization.

189238080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197143 (or 197133 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 189238080 is about 13756.3832456064. The cubic root of 189238080 is about 574.1202223222.

The spelling of 189238080 in words is "one hundred eighty-nine million, two hundred thirty-eight thousand, eighty".