2604432 has 40 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 837760.

The previous prime is 2604431. The next prime is 2604439. The reversal of 2604432 is 2344062.

It is a junction number, because it is equal to n+sod(n) for n = 2604399 and 2604408.

It is not an unprimeable number, because it can be changed into a prime (2604431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457 + ... + 2327.

It is an arithmetic number, because the mean of its divisors is an integer number (174096).

2^2604432 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 2604432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3481920).

2604432 is an abundant number, since it is smaller than the sum of its proper divisors (4359408).

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

2604432 is a wasteful number, since it uses less digits than its factorization.

2604432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2604432 is about 1613.8252693523. The cubic root of 2604432 is about 137.5849744725.

Adding to 2604432 its reverse (2344062), we get a palindrome (4948494).

The spelling of 2604432 in words is "two million, six hundred four thousand, four hundred thirty-two".