2579988 has 24 divisors (see below), whose sum is σ = 6374592. Its totient is φ = 809344.

The previous prime is 2579977. The next prime is 2579989. The reversal of 2579988 is 8899752.

It is a happy number.

2579988 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579989) 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, 6120 + ... + 6527.

It is an arithmetic number, because the mean of its divisors is an integer number (265608).

2^2579988 is an apocalyptic number.

It is an amenable number.

2579988 is an abundant number, since it is smaller than the sum of its proper divisors (3794604).

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

2579988 is a wasteful number, since it uses less digits than its factorization.

2579988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12671 (or 12669 counting only the distinct ones).

The product of its digits is 362880, while the sum is 48.

The square root of 2579988 is about 1606.2341049797. The cubic root of 2579988 is about 137.1531843662.

The spelling of 2579988 in words is "two million, five hundred seventy-nine thousand, nine hundred eighty-eight".