2818491 has 8 divisors (see below), whose sum is σ = 4047120. Its totient is φ = 1734432.

The previous prime is 2818471. The next prime is 2818499. The reversal of 2818491 is 1948182.

2818491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2818491 - 2¹⁰ = 2817467 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2818499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36096 + ... + 36173.

It is an arithmetic number, because the mean of its divisors is an integer number (505890).

2^2818491 is an apocalyptic number.

2818491 is a deficient number, since it is larger than the sum of its proper divisors (1228629).

2818491 is a wasteful number, since it uses less digits than its factorization.

2818491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72285.

The product of its digits is 4608, while the sum is 33.

The square root of 2818491 is about 1678.8362040414. The cubic root of 2818491 is about 141.2555598616.

The spelling of 2818491 in words is "two million, eight hundred eighteen thousand, four hundred ninety-one".