2686986 has 32 divisors (see below), whose sum is σ = 6324480. Its totient is φ = 842688.

The previous prime is 2686979. The next prime is 2686993. The reversal of 2686986 is 6896862.

It is an interprime number because it is at equal distance from previous prime (2686979) and next prime (2686993).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (197640).

2^2686986 is an apocalyptic number.

2686986 is an abundant number, since it is smaller than the sum of its proper divisors (3637494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686986 is a wasteful number, since it uses less digits than its factorization.

2686986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2949 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2686986 is about 1639.2028550488. The cubic root of 2686986 is about 139.0235800101.

The spelling of 2686986 in words is "two million, six hundred eighty-six thousand, nine hundred eighty-six".