4014432 has 72 divisors (see below), whose sum is σ = 11675664. Its totient is φ = 1307904.

The previous prime is 4014421. The next prime is 4014449. The reversal of 4014432 is 2344104.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×4014432² = 32231328565248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15133 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (162162).

Almost surely, 2^4014432 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 4014432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5837832).

4014432 is an abundant number, since it is smaller than the sum of its proper divisors (7661232).

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

4014432 is a wasteful number, since it uses less digits than its factorization.

4014432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4014432 is about 2003.6047514418. The cubic root of 4014432 is about 158.9307874863.

Adding to 4014432 its reverse (2344104), we get a palindrome (6358536).

The spelling of 4014432 in words is "four million, fourteen thousand, four hundred thirty-two".