2686045 has 8 divisors (see below), whose sum is σ = 3233880. Its totient is φ = 2141760.

The previous prime is 2686043. The next prime is 2686063. The reversal of 2686045 is 5406862.

It can be written as a sum of positive squares in 4 ways, for example, as 68121 + 2617924 = 261^2 + 1618^2 .

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

It is not a de Polignac number, because 2686045 - 2¹ = 2686043 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 6⁶ + 8⁷ + 6⁷ + 0 + 4⁹ + 5³ .

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2685998 and 2686016.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1255 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (404235).

2^2686045 is an apocalyptic number.

It is an amenable number.

2686045 is a deficient number, since it is larger than the sum of its proper divisors (547835).

2686045 is a wasteful number, since it uses less digits than its factorization.

2686045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2686045 is about 1638.9158001557. The cubic root of 2686045 is about 139.0073491275.

The spelling of 2686045 in words is "two million, six hundred eighty-six thousand, forty-five".