2428628 has 6 divisors (see below), whose sum is σ = 4250106. Its totient is φ = 1214312.

The previous prime is 2428627. The next prime is 2428649. The reversal of 2428628 is 8268242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1817104 + 611524 = 1348^2 + 782^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2428594 and 2428603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303575 + ... + 303582.

It is an arithmetic number, because the mean of its divisors is an integer number (708351).

2^2428628 is an apocalyptic number.

It is an amenable number.

2428628 is a deficient number, since it is larger than the sum of its proper divisors (1821478).

2428628 is a wasteful number, since it uses less digits than its factorization.

2428628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607161 (or 607159 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 2428628 is about 1558.4055954725. The cubic root of 2428628 is about 134.4168352163.

The spelling of 2428628 in words is "two million, four hundred twenty-eight thousand, six hundred twenty-eight".