2261086 has 16 divisors (see below), whose sum is σ = 3510864. Its totient is φ = 1091584.

The previous prime is 2261071. The next prime is 2261093. The reversal of 2261086 is 6801622.

It is a super-2 number, since 2×2261086² = 10225019798792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670 + ... + 8926.

It is an arithmetic number, because the mean of its divisors is an integer number (219429).

2^2261086 is an apocalyptic number.

2261086 is a deficient number, since it is larger than the sum of its proper divisors (1249778).

2261086 is a wasteful number, since it uses less digits than its factorization.

2261086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2261086 is about 1503.6907926831. The cubic root of 2261086 is about 131.2519286187.

The spelling of 2261086 in words is "two million, two hundred sixty-one thousand, eighty-six".