189323760 has 40 divisors (see below), whose sum is σ = 586904400. Its totient is φ = 50486272.

The previous prime is 189323749. The next prime is 189323777. The reversal of 189323760 is 67323981.

189323760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×189323760² = 71686972201075200, which contains 22 as substring.

It is a congruent 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, 394185 + ... + 394664.

It is an arithmetic number, because the mean of its divisors is an integer number (14672610).

Almost surely, 2^189323760 is an apocalyptic number.

189323760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189323760 is an abundant number, since it is smaller than the sum of its proper divisors (397580640).

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

189323760 is a wasteful number, since it uses less digits than its factorization.

189323760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788865 (or 788859 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 189323760 is about 13759.4970838327. The cubic root of 189323760 is about 574.2068560459.

The spelling of 189323760 in words is "one hundred eighty-nine million, three hundred twenty-three thousand, seven hundred sixty".