2439880 has 32 divisors (see below), whose sum is σ = 5536440. Its totient is φ = 967680.

The previous prime is 2439839. The next prime is 2439881. The reversal of 2439880 is 889342.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 1552516 = 942^2 + 1246^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2439881) 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, 7072 + ... + 7408.

2^2439880 is an apocalyptic number.

2439880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2439880 is an abundant number, since it is smaller than the sum of its proper divisors (3096560).

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

2439880 is a wasteful number, since it uses less digits than its factorization.

2439880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2439880 is about 1562.0115236451. The cubic root of 2439880 is about 134.6241029204.

The spelling of 2439880 in words is "two million, four hundred thirty-nine thousand, eight hundred eighty".