2826778 has 8 divisors (see below), whose sum is σ = 4294080. Its totient is φ = 1395420.

The previous prime is 2826773. The next prime is 2826793. The reversal of 2826778 is 8776282.

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

It is a super-2 number, since 2×2826778² = 15981347722568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2826778.

It is not an unprimeable number, because it can be changed into a prime (2826773) 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, 8788 + ... + 9103.

It is an arithmetic number, because the mean of its divisors is an integer number (536760).

2^2826778 is an apocalyptic number.

2826778 is a deficient number, since it is larger than the sum of its proper divisors (1467302).

2826778 is a wasteful number, since it uses less digits than its factorization.

2826778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17972.

The product of its digits is 75264, while the sum is 40.

The square root of 2826778 is about 1681.3024713002. The cubic root of 2826778 is about 141.3938654813.

The spelling of 2826778 in words is "two million, eight hundred twenty-six thousand, seven hundred seventy-eight".