2780295 has 16 divisors (see below), whose sum is σ = 5084160. Its totient is φ = 1270944.

The previous prime is 2780273. The next prime is 2780303. The reversal of 2780295 is 5920872.

2780295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2780295 - 2⁸ = 2780039 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13135 + ... + 13344.

It is an arithmetic number, because the mean of its divisors is an integer number (317760).

2^2780295 is an apocalyptic number.

2780295 is a deficient number, since it is larger than the sum of its proper divisors (2303865).

2780295 is a wasteful number, since it uses less digits than its factorization.

2780295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26494.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2780295 is about 1667.4216623278. The cubic root of 2780295 is about 140.6145602126.

The spelling of 2780295 in words is "two million, seven hundred eighty thousand, two hundred ninety-five".