189554352 has 160 divisors (see below), whose sum is σ = 566963712. Its totient is φ = 54054912.

The previous prime is 189554333. The next prime is 189554381. The reversal of 189554352 is 253455981.

189554352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1134973 + ... + 1135139.

Almost surely, 2^189554352 is an apocalyptic number.

189554352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189554352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283481856).

189554352 is an abundant number, since it is smaller than the sum of its proper divisors (377409360).

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

189554352 is a wasteful number, since it uses less digits than its factorization.

189554352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 309 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 189554352 is about 13767.8739099398. The cubic root of 189554352 is about 574.4398850597.

The spelling of 189554352 in words is "one hundred eighty-nine million, five hundred fifty-four thousand, three hundred fifty-two".