2686497 has 8 divisors (see below), whose sum is σ = 3907680. Its totient is φ = 1628160.

The previous prime is 2686487. The next prime is 2686513. The reversal of 2686497 is 7946862.

2686497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2686497 - 2¹¹ = 2684449 is a prime.

It is a super-2 number, since 2×2686497² = 14434532262018, which contains 22 as substring.

2686497 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40672 + ... + 40737.

It is an arithmetic number, because the mean of its divisors is an integer number (488460).

2^2686497 is an apocalyptic number.

It is an amenable number.

2686497 is a deficient number, since it is larger than the sum of its proper divisors (1221183).

2686497 is a wasteful number, since it uses less digits than its factorization.

2686497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81423.

The product of its digits is 145152, while the sum is 42.

The square root of 2686497 is about 1639.0536903958. The cubic root of 2686497 is about 139.0151459437.

The spelling of 2686497 in words is "two million, six hundred eighty-six thousand, four hundred ninety-seven".