2040586 has 4 divisors (see below), whose sum is σ = 3060882. Its totient is φ = 1020292.

The previous prime is 2040559. The next prime is 2040593. The reversal of 2040586 is 6850402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 337561 = 1305^2 + 581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2040586.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510145 + ... + 510148.

2^2040586 is an apocalyptic number.

2040586 is a deficient number, since it is larger than the sum of its proper divisors (1020296).

2040586 is a wasteful number, since it uses less digits than its factorization.

2040586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020295.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2040586 is about 1428.4908120111. The cubic root of 2040586 is about 126.8386567911.

Adding to 2040586 its reverse (6850402), we get a palindrome (8890988).

The spelling of 2040586 in words is "two million, forty thousand, five hundred eighty-six".