4239489 has 8 divisors (see below), whose sum is σ = 5950240. Its totient is φ = 2677536.

The previous prime is 4239479. The next prime is 4239491. The reversal of 4239489 is 9849324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4239489 - 2⁵ = 4239457 is a prime.

It is a super-2 number, since 2×4239489² = 35946533962242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4239419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37132 + ... + 37245.

It is an arithmetic number, because the mean of its divisors is an integer number (743780).

Almost surely, 2^4239489 is an apocalyptic number.

It is an amenable number.

4239489 is a deficient number, since it is larger than the sum of its proper divisors (1710751).

4239489 is a wasteful number, since it uses less digits than its factorization.

4239489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74399.

The product of its digits is 62208, while the sum is 39.

The square root of 4239489 is about 2059.0019426897. The cubic root of 4239489 is about 161.8469442987.

The spelling of 4239489 in words is "four million, two hundred thirty-nine thousand, four hundred eighty-nine".