4239432 has 64 divisors (see below), whose sum is σ = 12408000. Its totient is φ = 1337472.

The previous prime is 4239419. The next prime is 4239449. The reversal of 4239432 is 2349324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 4239396 and 4239405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3588 + ... + 4620.

It is an arithmetic number, because the mean of its divisors is an integer number (193875).

Almost surely, 2^4239432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4239432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6204000).

4239432 is an abundant number, since it is smaller than the sum of its proper divisors (8168568).

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

4239432 is a wasteful number, since it uses less digits than its factorization.

4239432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1057 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4239432 is about 2058.9881009855. The cubic root of 4239432 is about 161.8462189505.

The spelling of 4239432 in words is "four million, two hundred thirty-nine thousand, four hundred thirty-two".