2613986 has 8 divisors (see below), whose sum is σ = 3929580. Its totient is φ = 1304128.

The previous prime is 2613983. The next prime is 2613991. The reversal of 2613986 is 6893162.

It can be written as a sum of positive squares in 2 ways, for example, as 2512225 + 101761 = 1585^2 + 319^2 .

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 (2613983) 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, 11 + ... + 2286.

2^2613986 is an apocalyptic number.

2613986 is a deficient number, since it is larger than the sum of its proper divisors (1315594).

2613986 is a wasteful number, since it uses less digits than its factorization.

2613986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its digits is 15552, while the sum is 35.

The square root of 2613986 is about 1616.7826075264. The cubic root of 2613986 is about 137.7530063474.

The spelling of 2613986 in words is "two million, six hundred thirteen thousand, nine hundred eighty-six".