2497940 has 12 divisors (see below), whose sum is σ = 5245716. Its totient is φ = 999168.

The previous prime is 2497939. The next prime is 2497951. The reversal of 2497940 is 497942.

It can be written as a sum of positive squares in 2 ways, for example, as 1473796 + 1024144 = 1214^2 + 1012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2497940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62429 + ... + 62468.

It is an arithmetic number, because the mean of its divisors is an integer number (437143).

2^2497940 is an apocalyptic number.

2497940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2497940 is an abundant number, since it is smaller than the sum of its proper divisors (2747776).

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

2497940 is a wasteful number, since it uses less digits than its factorization.

2497940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124906 (or 124904 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2497940 is about 1580.4872666365. The cubic root of 2497940 is about 135.6835925841.

The spelling of 2497940 in words is "two million, four hundred ninety-seven thousand, nine hundred forty".