2687697 has 12 divisors (see below), whose sum is σ = 3896464. Its totient is φ = 1785240.

The previous prime is 2687677. The next prime is 2687723. The reversal of 2687697 is 7967862.

It is a happy number.

It is not a de Polignac number, because 2687697 - 2¹¹ = 2685649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2687647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4422 + ... + 4992.

2^2687697 is an apocalyptic number.

It is an amenable number.

2687697 is a deficient number, since it is larger than the sum of its proper divisors (1208767).

2687697 is a wasteful number, since it uses less digits than its factorization.

2687697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 2687697 is about 1639.4197144112. The cubic root of 2687697 is about 139.0358412139.

The spelling of 2687697 in words is "two million, six hundred eighty-seven thousand, six hundred ninety-seven".