289920192 has 56 divisors (see below), whose sum is σ = 793546800. Its totient is φ = 93305856.

The previous prime is 289920187. The next prime is 289920217. The reversal of 289920192 is 291029982.

It is a happy number.

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, 20467 + ... + 31602.

Almost surely, 2^289920192 is an apocalyptic number.

It is an amenable number.

289920192 is an abundant number, since it is smaller than the sum of its proper divisors (503626608).

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

289920192 is a wasteful number, since it uses less digits than its factorization.

289920192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52113 (or 52103 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 289920192 is about 17027.0429611251. The cubic root of 289920192 is about 661.8498699666.

The spelling of 289920192 in words is "two hundred eighty-nine million, nine hundred twenty thousand, one hundred ninety-two".