2428456 has 16 divisors (see below), whose sum is σ = 4570740. Its totient is φ = 1209600.

The previous prime is 2428453. The next prime is 2428457. The reversal of 2428456 is 6548242.

It can be written as a sum of positive squares in 2 ways, for example, as 2056356 + 372100 = 1434^2 + 610^2 .

It is not an unprimeable number, because it can be changed into a prime (2428451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2830 + ... + 3586.

2^2428456 is an apocalyptic number.

It is an amenable number.

2428456 is a deficient number, since it is larger than the sum of its proper divisors (2142284).

2428456 is a wasteful number, since it uses less digits than its factorization.

2428456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1160 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 2428456 is about 1558.3504098886. The cubic root of 2428456 is about 134.4136619237.

The spelling of 2428456 in words is "two million, four hundred twenty-eight thousand, four hundred fifty-six".