2793855 has 16 divisors (see below), whose sum is σ = 4705920. Its totient is φ = 1411488.

The previous prime is 2793853. The next prime is 2793859. The reversal of 2793855 is 5583972.

It is not a de Polignac number, because 2793855 - 2¹ = 2793853 is a prime.

It is a super-2 number, since 2×2793855² = 15611251522050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 7⁶ + 9⁴ + 3¹¹ + 8⁴ + 5⁴ + 5⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2793853) 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 15 ways as a sum of consecutive naturals, for example, 4617 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (294120).

2^2793855 is an apocalyptic number.

2793855 is a deficient number, since it is larger than the sum of its proper divisors (1912065).

2793855 is a wasteful number, since it uses less digits than its factorization.

2793855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9830.

The product of its digits is 75600, while the sum is 39.

The square root of 2793855 is about 1671.4828745757. The cubic root of 2793855 is about 140.8427904281.

The spelling of 2793855 in words is "two million, seven hundred ninety-three thousand, eight hundred fifty-five".