189274236 has 24 divisors (see below), whose sum is σ = 449974224. Its totient is φ = 61900800.

The previous prime is 189274229. The next prime is 189274237. The reversal of 189274236 is 632472981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189274237) 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, 148165 + ... + 149436.

It is an arithmetic number, because the mean of its divisors is an integer number (18748926).

Almost surely, 2^189274236 is an apocalyptic number.

It is an amenable number.

189274236 is an abundant number, since it is smaller than the sum of its proper divisors (260699988).

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

189274236 is a wasteful number, since it uses less digits than its factorization.

189274236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297661 (or 297659 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 189274236 is about 13757.6973364004. The cubic root of 189274236 is about 574.1567839714.

The spelling of 189274236 in words is "one hundred eighty-nine million, two hundred seventy-four thousand, two hundred thirty-six".