2240586 has 12 divisors (see below), whose sum is σ = 4854642. Its totient is φ = 746856.

The previous prime is 2240573. The next prime is 2240593. The reversal of 2240586 is 6850422.

It can be written as a sum of positive squares in only one way, i.e., 1550025 + 690561 = 1245^2 + 831^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62221 + ... + 62256.

2^2240586 is an apocalyptic number.

2240586 is an abundant number, since it is smaller than the sum of its proper divisors (2614056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2240586 is a wasteful number, since it uses less digits than its factorization.

2240586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124485 (or 124482 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2240586 is about 1496.8587107673. The cubic root of 2240586 is about 130.8540612035.

The spelling of 2240586 in words is "two million, two hundred forty thousand, five hundred eighty-six".