189459896 has 8 divisors (see below), whose sum is σ = 355237320. Its totient is φ = 94729944.

The previous prime is 189459889. The next prime is 189459923. The reversal of 189459896 is 698954981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11841236 + ... + 11841251.

It is an arithmetic number, because the mean of its divisors is an integer number (44404665).

Almost surely, 2^189459896 is an apocalyptic number.

It is an amenable number.

189459896 is a deficient number, since it is larger than the sum of its proper divisors (165777424).

189459896 is a wasteful number, since it uses less digits than its factorization.

189459896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23682493 (or 23682489 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The square root of 189459896 is about 13764.4431779858. The cubic root of 189459896 is about 574.3444536645.

The spelling of 189459896 in words is "one hundred eighty-nine million, four hundred fifty-nine thousand, eight hundred ninety-six".