189004460 has 24 divisors (see below), whose sum is σ = 397217520. Its totient is φ = 75543104.

The previous prime is 189004447. The next prime is 189004469. The reversal of 189004460 is 64400981.

It is not an unprimeable number, because it can be changed into a prime (189004469) 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, 30506 + ... + 36174.

It is an arithmetic number, because the mean of its divisors is an integer number (16550730).

Almost surely, 2^189004460 is an apocalyptic number.

189004460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189004460 is an abundant number, since it is smaller than the sum of its proper divisors (208213060).

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

189004460 is a wasteful number, since it uses less digits than its factorization.

189004460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345 (or 7343 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 189004460 is about 13747.8892925423. The cubic root of 189004460 is about 573.8838689089.

The spelling of 189004460 in words is "one hundred eighty-nine million, four thousand, four hundred sixty".