2812078 has 4 divisors (see below), whose sum is σ = 4218120. Its totient is φ = 1406038.

The previous prime is 2812063. The next prime is 2812099. The reversal of 2812078 is 8702182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8702182 = 2 ⋅4351091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703018 + ... + 703021.

It is an arithmetic number, because the mean of its divisors is an integer number (1054530).

2^2812078 is an apocalyptic number.

2812078 is a deficient number, since it is larger than the sum of its proper divisors (1406042).

2812078 is a wasteful number, since it uses less digits than its factorization.

2812078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406041.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 2812078 is about 1676.9251623135. The cubic root of 2812078 is about 141.1483441176.

The spelling of 2812078 in words is "two million, eight hundred twelve thousand, seventy-eight".