2428660 has 24 divisors (see below), whose sum is σ = 5493096. Its totient is φ = 896640.

The previous prime is 2428651. The next prime is 2428661. The reversal of 2428660 is 668242.

2428660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 2427364 = 36^2 + 1558^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411 + ... + 4930.

It is an arithmetic number, because the mean of its divisors is an integer number (228879).

2^2428660 is an apocalyptic number.

2428660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2428660 is an abundant number, since it is smaller than the sum of its proper divisors (3064436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2428660 is a wasteful number, since it uses less digits than its factorization.

2428660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9363 (or 9361 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2428660 is about 1558.4158623423. The cubic root of 2428660 is about 134.4174255798.

The spelling of 2428660 in words is "two million, four hundred twenty-eight thousand, six hundred sixty".