2678853 has 4 divisors (see below), whose sum is σ = 3571808. Its totient is φ = 1785900.

The previous prime is 2678839. The next prime is 2678873. The reversal of 2678853 is 3588762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2678853 - 2⁶ = 2678789 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2² + 6⁷ + 7⁴ + 8⁴ + 8⁶ + 5⁹ + 3¹¹ .

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678873) 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, 446473 + ... + 446478.

It is an arithmetic number, because the mean of its divisors is an integer number (892952).

2^2678853 is an apocalyptic number.

It is an amenable number.

2678853 is a deficient number, since it is larger than the sum of its proper divisors (892955).

2678853 is an equidigital number, since it uses as much as digits as its factorization.

2678853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892954.

The product of its digits is 80640, while the sum is 39.

The square root of 2678853 is about 1636.7201960017. The cubic root of 2678853 is about 138.8831721973.

Subtracting 2678853 from its reverse (3588762), we obtain a palindrome (909909).

The spelling of 2678853 in words is "two million, six hundred seventy-eight thousand, eight hundred fifty-three".