2686049 has 4 divisors (see below), whose sum is σ = 2827440. Its totient is φ = 2544660.

The previous prime is 2686043. The next prime is 2686063. The reversal of 2686049 is 9406862.

2686049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2686043) 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 3 ways as a sum of consecutive naturals, for example, 70667 + ... + 70704.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

2^2686049 is an apocalyptic number.

It is an amenable number.

2686049 is a deficient number, since it is larger than the sum of its proper divisors (141391).

2686049 is a wasteful number, since it uses less digits than its factorization.

2686049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141390.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2686049 is about 1638.9170204742. The cubic root of 2686049 is about 139.0074181297.

The spelling of 2686049 in words is "two million, six hundred eighty-six thousand, forty-nine".