2812346 has 4 divisors (see below), whose sum is σ = 4218522. Its totient is φ = 1406172.

The previous prime is 2812343. The next prime is 2812357. The reversal of 2812346 is 6432182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6432182 = 2 ⋅3216091.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 126025 = 1639^2 + 355^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2812343) by changing a digit.

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 as a sum of consecutive naturals, namely, 703085 + ... + 703088.

2^2812346 is an apocalyptic number.

2812346 is a deficient number, since it is larger than the sum of its proper divisors (1406176).

2812346 is a wasteful number, since it uses less digits than its factorization.

2812346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406175.

The product of its digits is 2304, while the sum is 26.

The square root of 2812346 is about 1677.0050685672. The cubic root of 2812346 is about 141.1528279376.

The spelling of 2812346 in words is "two million, eight hundred twelve thousand, three hundred forty-six".