4139432 has 32 divisors (see below), whose sum is σ = 8968320. Its totient is φ = 1770240.

The previous prime is 4139423. The next prime is 4139477. The reversal of 4139432 is 2349314.

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, 113 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (280260).

Almost surely, 2^4139432 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 4139432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4484160).

4139432 is an abundant number, since it is smaller than the sum of its proper divisors (4828888).

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

4139432 is a wasteful number, since it uses less digits than its factorization.

4139432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801 (or 2797 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 4139432 is about 2034.5594117646. The cubic root of 4139432 is about 160.5635336892.

The spelling of 4139432 in words is "four million, one hundred thirty-nine thousand, four hundred thirty-two".