2499380 has 24 divisors (see below), whose sum is σ = 5653032. Its totient is φ = 922752.

The previous prime is 2499373. The next prime is 2499383. The reversal of 2499380 is 839942.

It can be written as a sum of positive squares in 4 ways, for example, as 550564 + 1948816 = 742^2 + 1396^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2499380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499383) 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, 4547 + ... + 5066.

It is an arithmetic number, because the mean of its divisors is an integer number (235543).

2^2499380 is an apocalyptic number.

2499380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2499380 is an abundant number, since it is smaller than the sum of its proper divisors (3153652).

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

2499380 is a wasteful number, since it uses less digits than its factorization.

2499380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635 (or 9633 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2499380 is about 1580.9427567120. The cubic root of 2499380 is about 135.7096603093.

The spelling of 2499380 in words is "two million, four hundred ninety-nine thousand, three hundred eighty".