2686697 has 8 divisors (see below), whose sum is σ = 3063816. Its totient is φ = 2333952.

The previous prime is 2686693. The next prime is 2686709. The reversal of 2686697 is 7966862.

It can be written as a sum of positive squares in 4 ways, for example, as 10201 + 2676496 = 101^2 + 1636^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2686697 - 2² = 2686693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2686693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5858 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (382977).

2^2686697 is an apocalyptic number.

It is an amenable number.

2686697 is a deficient number, since it is larger than the sum of its proper divisors (377119).

2686697 is a wasteful number, since it uses less digits than its factorization.

2686697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187.

The product of its digits is 217728, while the sum is 44.

The square root of 2686697 is about 1639.1147000744. The cubic root of 2686697 is about 139.0185955833.

The spelling of 2686697 in words is "two million, six hundred eighty-six thousand, six hundred ninety-seven".