2456128 has 14 divisors (see below), whose sum is σ = 4874006. Its totient is φ = 1228032.

The previous prime is 2456123. The next prime is 2456131. The reversal of 2456128 is 8216542.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 1183744 = 1128^2 + 1088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2456096 and 2456105.

It is not an unprimeable number, because it can be changed into a prime (2456123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19125 + ... + 19252.

2^2456128 is an apocalyptic number.

It is an amenable number.

2456128 is a deficient number, since it is larger than the sum of its proper divisors (2417878).

2456128 is an equidigital number, since it uses as much as digits as its factorization.

2456128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38389 (or 38379 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 2456128 is about 1567.2038795256. The cubic root of 2456128 is about 134.9222780793.

The spelling of 2456128 in words is "two million, four hundred fifty-six thousand, one hundred twenty-eight".