3130432 has 28 divisors (see below), whose sum is σ = 6368796. Its totient is φ = 1525760.

The previous prime is 3130429. The next prime is 3130451. The reversal of 3130432 is 2340313.

It can be written as a sum of positive squares in 2 ways, for example, as 746496 + 2383936 = 864^2 + 1544^2 .

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 3 ways as a sum of consecutive naturals, for example, 2028 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (227457).

Almost surely, 2^3130432 is an apocalyptic number.

3130432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3130432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184398).

3130432 is an abundant number, since it is smaller than the sum of its proper divisors (3238364).

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

3130432 is a wasteful number, since it uses less digits than its factorization.

3130432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3130432 is about 1769.3026875015. The cubic root of 3130432 is about 146.2855486187.

Adding to 3130432 its reverse (2340313), we get a palindrome (5470745).

The spelling of 3130432 in words is "three million, one hundred thirty thousand, four hundred thirty-two".