2451328 has 32 divisors (see below), whose sum is σ = 5330520. Its totient is φ = 1113600.

The previous prime is 2451311. The next prime is 2451331. The reversal of 2451328 is 8231542.

It is a tau number, because it is divible by the number of its divisors (32).

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, 538 + ... + 2278.

2^2451328 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 2451328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2665260).

2451328 is an abundant number, since it is smaller than the sum of its proper divisors (2879192).

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

2451328 is a wasteful number, since it uses less digits than its factorization.

2451328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1754 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2451328 is about 1565.6717408193. The cubic root of 2451328 is about 134.8343280922.

The spelling of 2451328 in words is "two million, four hundred fifty-one thousand, three hundred twenty-eight".