2690671 has 2 divisors, whose sum is σ = 2690672. Its totient is φ = 2690670.

The previous prime is 2690663. The next prime is 2690689. The reversal of 2690671 is 1760962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2690671 - 2³ = 2690663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345335 + 1345336.

It is an arithmetic number, because the mean of its divisors is an integer number (1345336).

2^2690671 is an apocalyptic number.

2690671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690671 is an equidigital number, since it uses as much as digits as its factorization.

2690671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2690671 is about 1640.3264918912. The cubic root of 2690671 is about 139.0871044543.

The spelling of 2690671 in words is "two million, six hundred ninety thousand, six hundred seventy-one".