189234210 has 32 divisors (see below), whose sum is σ = 495450432. Its totient is φ = 45874880.

The previous prime is 189234163. The next prime is 189234217. The reversal of 189234210 is 12432981.

189234210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (189234217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286389 + ... + 287048.

It is an arithmetic number, because the mean of its divisors is an integer number (15482826).

Almost surely, 2^189234210 is an apocalyptic number.

189234210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189234210 is an abundant number, since it is smaller than the sum of its proper divisors (306216222).

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

189234210 is a wasteful number, since it uses less digits than its factorization.

189234210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573458.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 189234210 is about 13756.2425829149. The cubic root of 189234210 is about 574.1163086272.

The spelling of 189234210 in words is "one hundred eighty-nine million, two hundred thirty-four thousand, two hundred ten".