2690959 has 2 divisors, whose sum is σ = 2690960.
Its totient is φ = 2690958.
The previous prime is 2690957. The next prime is 2690993. The reversal of 2690959 is 9590962.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2690959 - 21 = 2690957 is a prime.
Together with 2690957, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2690957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345479 + 1345480.
It is an arithmetic number, because the mean of its divisors is an integer number (1345480).
22690959 is an apocalyptic number.
2690959 is a deficient number, since it is larger than the sum of its proper divisors (1).
2690959 is an equidigital number, since it uses as much as digits as its factorization.
2690959 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 43740, while the sum is 40.
The square root of 2690959 is about 1640.4142769435.
The cubic root of 2690959 is about 139.0920667427.
The spelling of 2690959 in words is "two million, six hundred ninety thousand, nine hundred fifty-nine".