2818192 has 40 divisors (see below), whose sum is σ = 6233976. Its totient is φ = 1222656.

The previous prime is 2818181. The next prime is 2818219. The reversal of 2818192 is 2918182.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 309136 + 2509056 = 556^2 + 1584^2 .

It is a super-2 number, since 2×2818192² = 15884412297728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3138 + ... + 3934.

2^2818192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2818192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3116988).

2818192 is an abundant number, since it is smaller than the sum of its proper divisors (3415784).

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

2818192 is a wasteful number, since it uses less digits than its factorization.

2818192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 829 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 2818192 is about 1678.7471518963. The cubic root of 2818192 is about 141.2505646465.

The spelling of 2818192 in words is "two million, eight hundred eighteen thousand, one hundred ninety-two".