3120432 has 80 divisors (see below), whose sum is σ = 9499392. Its totient is φ = 864000.

The previous prime is 3120413. The next prime is 3120437. The reversal of 3120432 is 2340213.

It is not an unprimeable number, because it can be changed into a prime (3120437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12307 + ... + 12557.

Almost surely, 2^3120432 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 3120432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4749696).

3120432 is an abundant number, since it is smaller than the sum of its proper divisors (6378960).

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

3120432 is a wasteful number, since it uses less digits than its factorization.

3120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3120432 is about 1766.4744549526. The cubic root of 3120432 is about 146.1296153025.

Adding to 3120432 its reverse (2340213), we get a palindrome (5460645).

The spelling of 3120432 in words is "three million, one hundred twenty thousand, four hundred thirty-two".