189734244 has 24 divisors (see below), whose sum is σ = 505958208. Its totient is φ = 54209760.

The previous prime is 189734203. The next prime is 189734273. The reversal of 189734244 is 442437981.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 189734196 and 189734205.

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, 1129287 + ... + 1129454.

It is an arithmetic number, because the mean of its divisors is an integer number (21081592).

Almost surely, 2^189734244 is an apocalyptic number.

189734244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189734244 is an abundant number, since it is smaller than the sum of its proper divisors (316223964).

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

189734244 is a wasteful number, since it uses less digits than its factorization.

189734244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258755 (or 2258753 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 189734244 is about 13774.4053955153. The cubic root of 189734244 is about 574.6215470581.

The spelling of 189734244 in words is "one hundred eighty-nine million, seven hundred thirty-four thousand, two hundred forty-four".