2428979 has 12 divisors (see below), whose sum is σ = 2975400. Its totient is φ = 1971648.

The previous prime is 2428931. The next prime is 2428991. The reversal of 2428979 is 9798242.

It is a de Polignac number, because none of the positive numbers 2^k-2428979 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2⁵ + 4⁹ + 2¹³ + 8⁷ + 9 + 7⁴ + 9⁵ .

It is not an unprimeable number, because it can be changed into a prime (2428919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 374 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (247950).

2^2428979 is an apocalyptic number.

2428979 is a deficient number, since it is larger than the sum of its proper divisors (546421).

2428979 is a wasteful number, since it uses less digits than its factorization.

2428979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642 (or 2635 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 2428979 is about 1558.5182065026. The cubic root of 2428979 is about 134.4233104822.

The spelling of 2428979 in words is "two million, four hundred twenty-eight thousand, nine hundred seventy-nine".