4289992 has 16 divisors (see below), whose sum is σ = 9192960. Its totient is φ = 1838544.

The previous prime is 4289977. The next prime is 4290017. The reversal of 4289992 is 2999824.

It is a happy number.

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, 38248 + ... + 38359.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^4289992 is an apocalyptic number.

It is an amenable number.

4289992 is an abundant number, since it is smaller than the sum of its proper divisors (4902968).

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

4289992 is a wasteful number, since it uses less digits than its factorization.

4289992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76620 (or 76616 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 4289992 is about 2071.2295865017. The cubic root of 4289992 is about 162.4870774734.

The spelling of 4289992 in words is "four million, two hundred eighty-nine thousand, nine hundred ninety-two".