2979723 has 4 divisors (see below), whose sum is σ = 3972968. Its totient is φ = 1986480.

The previous prime is 2979701. The next prime is 2979731. The reversal of 2979723 is 3279792.

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

It is not a de Polignac number, because 2979723 - 2¹⁰ = 2978699 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 9 + 7 + 9⁴ + 7⁷ + 2²¹ + 3⁹ .

It is a D-number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 496618 + ... + 496623.

It is an arithmetic number, because the mean of its divisors is an integer number (993242).

2^2979723 is an apocalyptic number.

2979723 is a deficient number, since it is larger than the sum of its proper divisors (993245).

2979723 is an equidigital number, since it uses as much as digits as its factorization.

2979723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993244.

The product of its digits is 47628, while the sum is 39.

The square root of 2979723 is about 1726.1874174029. The cubic root of 2979723 is about 143.8992833539.

The spelling of 2979723 in words is "two million, nine hundred seventy-nine thousand, seven hundred twenty-three".