2646339 has 16 divisors (see below), whose sum is σ = 3934080. Its totient is φ = 1572480.

The previous prime is 2646269. The next prime is 2646353. The reversal of 2646339 is 9336462.

It is not a de Polignac number, because 2646339 - 2⁷ = 2646211 is a prime.

It is a super-2 number, since 2×2646339² = 14006220205842, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 6 + 4¹⁰ + 6⁴ + 3⁴ + 3¹³ + 9 .

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644339) 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, 397 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (245880).

2^2646339 is an apocalyptic number.

2646339 is a deficient number, since it is larger than the sum of its proper divisors (1287741).

2646339 is a wasteful number, since it uses less digits than its factorization.

2646339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770.

The product of its digits is 23328, while the sum is 33.

The square root of 2646339 is about 1626.7572037646. The cubic root of 2646339 is about 138.3189953043.

The spelling of 2646339 in words is "two million, six hundred forty-six thousand, three hundred thirty-nine".