4189992 has 16 divisors (see below), whose sum is σ = 10475040. Its totient is φ = 1396656.

The previous prime is 4189987. The next prime is 4190009. The reversal of 4189992 is 2999814.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87268 + ... + 87315.

It is an arithmetic number, because the mean of its divisors is an integer number (654690).

Almost surely, 2^4189992 is an apocalyptic number.

It is an amenable number.

4189992 is an abundant number, since it is smaller than the sum of its proper divisors (6285048).

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

4189992 is a wasteful number, since it uses less digits than its factorization.

4189992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174592 (or 174588 counting only the distinct ones).

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

The square root of 4189992 is about 2046.9469949171. The cubic root of 4189992 is about 161.2146103455.

The spelling of 4189992 in words is "four million, one hundred eighty-nine thousand, nine hundred ninety-two".