2979783 has 12 divisors (see below), whose sum is σ = 4357080. Its totient is φ = 1962096.

The previous prime is 2979773. The next prime is 2979797. The reversal of 2979783 is 3879792.

It is not a de Polignac number, because 2979783 - 2⁹ = 2979271 is a prime.

2979783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1248 + ... + 2741.

It is an arithmetic number, because the mean of its divisors is an integer number (363090).

2^2979783 is an apocalyptic number.

2979783 is a deficient number, since it is larger than the sum of its proper divisors (1377297).

2979783 is a wasteful number, since it uses less digits than its factorization.

2979783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4075 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 2979783 is about 1726.2047966565. The cubic root of 2979783 is about 143.9002492042.

Subtracting 2979783 from its reverse (3879792), we obtain a palindrome (900009).

The spelling of 2979783 in words is "two million, nine hundred seventy-nine thousand, seven hundred eighty-three".