2040810 has 32 divisors (see below), whose sum is σ = 4985280. Its totient is φ = 534528.

The previous prime is 2040803. The next prime is 2040827. The reversal of 2040810 is 180402.

It is a super-2 number, since 2×2040810² = 8329810912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2040810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1194 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (155790).

2^2040810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2492640).

2040810 is an abundant number, since it is smaller than the sum of its proper divisors (2944470).

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

2040810 is a wasteful number, since it uses less digits than its factorization.

2040810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2040810 is about 1428.5692142840. The cubic root of 2040810 is about 126.8432977487.

It can be divided in two parts, 2040 and 810, that added together give a triangular number (2850 = T₇₅).

The spelling of 2040810 in words is "two million, forty thousand, eight hundred ten".