2780853 has 8 divisors (see below), whose sum is σ = 3794208. Its totient is φ = 1810704.

The previous prime is 2780837. The next prime is 2780873. The reversal of 2780853 is 3580872.

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

It is not a de Polignac number, because 2780853 - 2⁴ = 2780837 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 7⁷ + 8² + 0 + 8⁴ + 5⁹ + 3² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780873) 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 in 7 ways as a sum of consecutive naturals, for example, 10650 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (474276).

2^2780853 is an apocalyptic number.

It is an amenable number.

2780853 is a deficient number, since it is larger than the sum of its proper divisors (1013355).

2780853 is a wasteful number, since it uses less digits than its factorization.

2780853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21603.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 2780853 is about 1667.5889781358. The cubic root of 2780853 is about 140.6239666097.

The spelling of 2780853 in words is "two million, seven hundred eighty thousand, eight hundred fifty-three".