2403232 has 48 divisors (see below), whose sum is σ = 5239080. Its totient is φ = 1078272.

The previous prime is 2403229. The next prime is 2403263. The reversal of 2403232 is 2323042.

It can be written as a sum of positive squares in 4 ways, for example, as 2085136 + 318096 = 1444^2 + 564^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 21994 + ... + 22102.

2^2403232 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 2403232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619540).

2403232 is an abundant number, since it is smaller than the sum of its proper divisors (2835848).

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

2403232 is a wasteful number, since it uses less digits than its factorization.

2403232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2403232 is about 1550.2361110489. The cubic root of 2403232 is about 133.9466632609.

Adding to 2403232 its reverse (2323042), we get a palindrome (4726274).

The spelling of 2403232 in words is "two million, four hundred three thousand, two hundred thirty-two".