2428557 has 8 divisors (see below), whose sum is σ = 3252480. Its totient is φ = 1611840.

The previous prime is 2428541. The next prime is 2428577. The reversal of 2428557 is 7558242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2428557 - 2⁴ = 2428541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (406560).

2^2428557 is an apocalyptic number.

It is an amenable number.

2428557 is a deficient number, since it is larger than the sum of its proper divisors (823923).

2428557 is a wasteful number, since it uses less digits than its factorization.

2428557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its digits is 22400, while the sum is 33.

The square root of 2428557 is about 1558.3828156137. The cubic root of 2428557 is about 134.4155253288.

It can be divided in two parts, 24285 and 57, that added together give a palindrome (24342).

The spelling of 2428557 in words is "two million, four hundred twenty-eight thousand, five hundred fifty-seven".