2040786 has 36 divisors (see below), whose sum is σ = 4865406. Its totient is φ = 617760.

The previous prime is 2040781. The next prime is 2040791. The reversal of 2040786 is 6870402.

It is an interprime number because it is at equal distance from previous prime (2040781) and next prime (2040791).

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 27225 = 1419^2 + 165^2 .

It is not an unprimeable number, because it can be changed into a prime (2040781) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1710 + ... + 2646.

2^2040786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2432703).

2040786 is an abundant number, since it is smaller than the sum of its proper divisors (2824620).

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

2040786 is a wasteful number, since it uses less digits than its factorization.

2040786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2040786 is about 1428.5608142463. The cubic root of 2040786 is about 126.8428005195.

The spelling of 2040786 in words is "two million, forty thousand, seven hundred eighty-six".