2793905 has 4 divisors (see below), whose sum is σ = 3352692. Its totient is φ = 2235120.

The previous prime is 2793887. The next prime is 2793911. The reversal of 2793905 is 5093972.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 2274064 = 721^2 + 1508^2 .

It is not a de Polignac number, because 2793905 - 2¹⁴ = 2777521 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279386 + ... + 279395.

It is an arithmetic number, because the mean of its divisors is an integer number (838173).

2^2793905 is an apocalyptic number.

It is an amenable number.

2793905 is a deficient number, since it is larger than the sum of its proper divisors (558787).

2793905 is an equidigital number, since it uses as much as digits as its factorization.

2793905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558786.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 2793905 is about 1671.4978312879. The cubic root of 2793905 is about 140.8436306170.

The spelling of 2793905 in words is "two million, seven hundred ninety-three thousand, nine hundred five".