2679391 has 16 divisors (see below), whose sum is σ = 3231648. Its totient is φ = 2188800.

The previous prime is 2679389. The next prime is 2679401. The reversal of 2679391 is 1939762.

2679391 is nontrivially palindromic in base 6.

It is a cyclic number.

It is not a de Polignac number, because 2679391 - 2¹ = 2679389 is a prime.

It is a super-2 number, since 2×2679391² = 14358272261762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2679391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2679301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5635 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (201978).

2^2679391 is an apocalyptic number.

2679391 is a deficient number, since it is larger than the sum of its proper divisors (552257).

2679391 is a wasteful number, since it uses less digits than its factorization.

2679391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its digits is 20412, while the sum is 37.

The square root of 2679391 is about 1636.8845408275. The cubic root of 2679391 is about 138.8924689803.

The spelling of 2679391 in words is "two million, six hundred seventy-nine thousand, three hundred ninety-one".