189000354 has 16 divisors (see below), whose sum is σ = 378322560. Its totient is φ = 62946480.

The previous prime is 189000349. The next prime is 189000401. The reversal of 189000354 is 453000981.

189000354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189000354² = 71442267624250632, which contains 22 as substring.

It is a Curzon 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, 5409 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (23645160).

Almost surely, 2^189000354 is an apocalyptic number.

189000354 is an abundant number, since it is smaller than the sum of its proper divisors (189322206).

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

189000354 is a wasteful number, since it uses less digits than its factorization.

189000354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26825.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 189000354 is about 13747.7399597170. The cubic root of 189000354 is about 573.8797131265.

The spelling of 189000354 in words is "one hundred eighty-nine million, three hundred fifty-four", and thus it is an aban number.