4008432 has 60 divisors (see below), whose sum is σ = 10817016. Its totient is φ = 1278720.

The previous prime is 4008427. The next prime is 4008437. The reversal of 4008432 is 2348004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4008427) and next prime (4008437).

It is a junction number, because it is equal to n+sod(n) for n = 4008399 and 4008408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65682 + ... + 65742.

Almost surely, 2^4008432 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 4008432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5408508).

4008432 is an abundant number, since it is smaller than the sum of its proper divisors (6808584).

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

4008432 is a wasteful number, since it uses less digits than its factorization.

4008432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4008432 is about 2002.1068902534. The cubic root of 4008432 is about 158.8515682927.

The spelling of 4008432 in words is "four million, eight thousand, four hundred thirty-two".