2082778 has 8 divisors (see below), whose sum is σ = 3159540. Its totient is φ = 1029600.

The previous prime is 2082757. The next prime is 2082779. The reversal of 2082778 is 8772802.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 529 = 1443^2 + 23^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2082779) 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, 5673 + ... + 6028.

2^2082778 is an apocalyptic number.

2082778 is a deficient number, since it is larger than the sum of its proper divisors (1076762).

2082778 is a wasteful number, since it uses less digits than its factorization.

2082778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11792.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2082778 is about 1443.1832870429. The cubic root of 2082778 is about 127.7068895325.

The spelling of 2082778 in words is "two million, eighty-two thousand, seven hundred seventy-eight".