189644196 has 48 divisors (see below), whose sum is σ = 507403904. Its totient is φ = 54003456.

The previous prime is 189644183. The next prime is 189644207. The reversal of 189644196 is 691446981.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22686 + ... + 29898.

Almost surely, 2^189644196 is an apocalyptic number.

It is an amenable number.

189644196 is an abundant number, since it is smaller than the sum of its proper divisors (317759708).

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

189644196 is a wasteful number, since it uses less digits than its factorization.

189644196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540 (or 7538 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 189644196 is about 13771.1363365555. The cubic root of 189644196 is about 574.5306274153.

The spelling of 189644196 in words is "one hundred eighty-nine million, six hundred forty-four thousand, one hundred ninety-six".