2686946 has 8 divisors (see below), whose sum is σ = 4051884. Its totient is φ = 1336320.

The previous prime is 2686921. The next prime is 2686949. The reversal of 2686946 is 6496862.

It can be written as a sum of positive squares in 2 ways, for example, as 2686321 + 625 = 1639^2 + 25^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2686949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3095 + ... + 3866.

2^2686946 is an apocalyptic number.

2686946 is a deficient number, since it is larger than the sum of its proper divisors (1364938).

2686946 is a wasteful number, since it uses less digits than its factorization.

2686946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156.

The product of its digits is 124416, while the sum is 41.

The square root of 2686946 is about 1639.1906539509. The cubic root of 2686946 is about 139.0228901454.

The spelling of 2686946 in words is "two million, six hundred eighty-six thousand, nine hundred forty-six".