2159479 has 6 divisors (see below), whose sum is σ = 2512104. Its totient is φ = 1850940.

The previous prime is 2159473. The next prime is 2159497. The reversal of 2159479 is 9749512.

It is not a de Polignac number, because 2159479 - 2⁷ = 2159351 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 5⁵ + 9² + 4³ + 7 + 9⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159473) 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 5 ways as a sum of consecutive naturals, for example, 21987 + ... + 22084.

It is an arithmetic number, because the mean of its divisors is an integer number (418684).

2^2159479 is an apocalyptic number.

2159479 is a deficient number, since it is larger than the sum of its proper divisors (352625).

2159479 is an equidigital number, since it uses as much as digits as its factorization.

2159479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44085 (or 44078 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 2159479 is about 1469.5165871810. The cubic root of 2159479 is about 129.2556874136.

The spelling of 2159479 in words is "two million, one hundred fifty-nine thousand, four hundred seventy-nine".