189239896 has 16 divisors (see below), whose sum is σ = 355033800. Its totient is φ = 94564224.

The previous prime is 189239863. The next prime is 189239909. The reversal of 189239896 is 698932981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9856 + ... + 21808.

Almost surely, 2^189239896 is an apocalyptic number.

It is an amenable number.

189239896 is a deficient number, since it is larger than the sum of its proper divisors (165793904).

189239896 is a wasteful number, since it uses less digits than its factorization.

189239896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938 (or 13934 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 55.

The square root of 189239896 is about 13756.4492511694. The cubic root of 189239896 is about 574.1220588077.

The spelling of 189239896 in words is "one hundred eighty-nine million, two hundred thirty-nine thousand, eight hundred ninety-six".