2497980 has 96 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 599040.

The previous prime is 2497967. The next prime is 2497991. The reversal of 2497980 is 897942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31581 + ... + 31659.

It is an arithmetic number, because the mean of its divisors is an integer number (80640).

2^2497980 is an apocalyptic number.

2497980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is a pronic number, being equal to 1580×1581.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2497980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870720).

2497980 is an abundant number, since it is smaller than the sum of its proper divisors (5243460).

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

2497980 is a wasteful number, since it uses less digits than its factorization.

2497980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2497980 is about 1580.4999209111. The cubic root of 2497980 is about 135.6843168228.

The spelling of 2497980 in words is "two million, four hundred ninety-seven thousand, nine hundred eighty".