2818506 has 16 divisors (see below), whose sum is σ = 5694048. Its totient is φ = 930000.

The previous prime is 2818499. The next prime is 2818507. The reversal of 2818506 is 6058182.

It is not an unprimeable number, because it can be changed into a prime (2818507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1720 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (355878).

2^2818506 is an apocalyptic number.

2818506 is an abundant number, since it is smaller than the sum of its proper divisors (2875542).

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

2818506 is a wasteful number, since it uses less digits than its factorization.

2818506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2818506 is about 1678.8406714158. The cubic root of 2818506 is about 141.2558104483.

The spelling of 2818506 in words is "two million, eight hundred eighteen thousand, five hundred six".