2709982 has 16 divisors (see below), whose sum is σ = 4464000. Its totient is φ = 1223640.

The previous prime is 2709923. The next prime is 2710003. The reversal of 2709982 is 2899072.

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 in 7 ways as a sum of consecutive naturals, for example, 4069 + ... + 4687.

It is an arithmetic number, because the mean of its divisors is an integer number (279000).

2^2709982 is an apocalyptic number.

2709982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2709982 is a deficient number, since it is larger than the sum of its proper divisors (1754018).

2709982 is a wasteful number, since it uses less digits than its factorization.

2709982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2709982 is about 1646.2022961957. The cubic root of 2709982 is about 139.4190552279.

The spelling of 2709982 in words is "two million, seven hundred nine thousand, nine hundred eighty-two".