2431328 has 12 divisors (see below), whose sum is σ = 4786740. Its totient is φ = 1215648.

The previous prime is 2431327. The next prime is 2431333. The reversal of 2431328 is 8231342.

It is a super-2 number, since 2×2431328² = 11822711687168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37958 + ... + 38021.

It is an arithmetic number, because the mean of its divisors is an integer number (398895).

2^2431328 is an apocalyptic number.

It is an amenable number.

2431328 is a deficient number, since it is larger than the sum of its proper divisors (2355412).

2431328 is an equidigital number, since it uses as much as digits as its factorization.

2431328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75989 (or 75981 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 2431328 is about 1559.2716248300. The cubic root of 2431328 is about 134.4666289058.

The spelling of 2431328 in words is "two million, four hundred thirty-one thousand, three hundred twenty-eight".