2690339 has 4 divisors (see below), whose sum is σ = 2696856. Its totient is φ = 2683824.

The previous prime is 2690329. The next prime is 2690351. The reversal of 2690339 is 9330962.

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

It is a cyclic number.

It is not a de Polignac number, because 2690339 - 2¹⁶ = 2624803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2690329) 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, 2594 + ... + 3479.

It is an arithmetic number, because the mean of its divisors is an integer number (674214).

2^2690339 is an apocalyptic number.

2690339 is a deficient number, since it is larger than the sum of its proper divisors (6517).

2690339 is an equidigital number, since it uses as much as digits as its factorization.

2690339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 2690339 is about 1640.2252894039. The cubic root of 2690339 is about 139.0813835990.

The spelling of 2690339 in words is "two million, six hundred ninety thousand, three hundred thirty-nine".