2428257 has 32 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 1354752.

The previous prime is 2428249. The next prime is 2428259. The reversal of 2428257 is 7528242.

It is not a de Polignac number, because 2428257 - 2³ = 2428249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21433 + ... + 21545.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2^2428257 is an apocalyptic number.

It is an amenable number.

2428257 is a deficient number, since it is larger than the sum of its proper divisors (1402143).

2428257 is a wasteful number, since it uses less digits than its factorization.

2428257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its digits is 8960, while the sum is 30.

The square root of 2428257 is about 1558.2865590128. The cubic root of 2428257 is about 134.4099903111.

The spelling of 2428257 in words is "two million, four hundred twenty-eight thousand, two hundred fifty-seven".