2979983 has 4 divisors (see below), whose sum is σ = 2984520. Its totient is φ = 2975448.

The previous prime is 2979971. The next prime is 2979989. The reversal of 2979983 is 3899792.

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

It is a cyclic number.

It is not a de Polignac number, because 2979983 - 2⁴ = 2979967 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (244944) is a multiple of the sum of its prime divisors (4536).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979989) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1073 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (746130).

2^2979983 is an apocalyptic number.

2979983 is a deficient number, since it is larger than the sum of its proper divisors (4537).

2979983 is an equidigital number, since it uses as much as digits as its factorization.

2979983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536.

The product of its digits is 244944, while the sum is 47.

The square root of 2979983 is about 1726.2627262384. The cubic root of 2979983 is about 143.9034686116.

The spelling of 2979983 in words is "two million, nine hundred seventy-nine thousand, nine hundred eighty-three".