2851078 has 4 divisors (see below), whose sum is σ = 4276620. Its totient is φ = 1425538.

The previous prime is 2851061. The next prime is 2851081. The reversal of 2851078 is 8701582.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 712768 + ... + 712771.

It is an arithmetic number, because the mean of its divisors is an integer number (1069155).

2^2851078 is an apocalyptic number.

2851078 is a deficient number, since it is larger than the sum of its proper divisors (1425542).

2851078 is a wasteful number, since it uses less digits than its factorization.

2851078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425541.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 2851078 is about 1688.5135474730. The cubic root of 2851078 is about 141.7978675354.

The spelling of 2851078 in words is "two million, eight hundred fifty-one thousand, seventy-eight".