2812330 has 8 divisors (see below), whose sum is σ = 5062212. Its totient is φ = 1124928.

The previous prime is 2812319. The next prime is 2812331. The reversal of 2812330 is 332182.

It is a happy number.

It is a Cunningham number, because it is equal to 1677²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 2812329 + 1 = 1677^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2812298 and 2812307.

It is not an unprimeable number, because it can be changed into a prime (2812331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140607 + ... + 140626.

2^2812330 is an apocalyptic number.

2812330 is a deficient number, since it is larger than the sum of its proper divisors (2249882).

2812330 is a wasteful number, since it uses less digits than its factorization.

2812330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281240.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2812330 is about 1677.0002981514. Note that the first 3 decimals coincide. The cubic root of 2812330 is about 141.1525602549.

The spelling of 2812330 in words is "two million, eight hundred twelve thousand, three hundred thirty".