2478980 has 24 divisors (see below), whose sum is σ = 5949888. Its totient is φ = 849888.

The previous prime is 2478953. The next prime is 2478997. The reversal of 2478980 is 898742.

It is a super-2 number, since 2×2478980² = 12290683680800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8714 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (247912).

2^2478980 is an apocalyptic number.

2478980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2478980 is an abundant number, since it is smaller than the sum of its proper divisors (3470908).

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

2478980 is a wasteful number, since it uses less digits than its factorization.

2478980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17723 (or 17721 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 2478980 is about 1574.4776911725. The cubic root of 2478980 is about 135.3394293538.

The spelling of 2478980 in words is "two million, four hundred seventy-eight thousand, nine hundred eighty".