2497982 has 4 divisors (see below), whose sum is σ = 3746976. Its totient is φ = 1248990.

The previous prime is 2497967. The next prime is 2497991. The reversal of 2497982 is 2897942.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624494 + ... + 624497.

It is an arithmetic number, because the mean of its divisors is an integer number (936744).

2^2497982 is an apocalyptic number.

2497982 is a deficient number, since it is larger than the sum of its proper divisors (1248994).

2497982 is a wasteful number, since it uses less digits than its factorization.

2497982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248993.

The product of its digits is 72576, while the sum is 41.

The square root of 2497982 is about 1580.5005536222. The cubic root of 2497982 is about 135.6843530346.

The spelling of 2497982 in words is "two million, four hundred ninety-seven thousand, nine hundred eighty-two".