2788385 has 8 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 2203504.

The previous prime is 2788367. The next prime is 2788393. The reversal of 2788385 is 5838872.

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

It is a cyclic number.

It is not a de Polignac number, because 2788385 - 2¹⁰ = 2787361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

2^2788385 is an apocalyptic number.

It is an amenable number.

2788385 is a deficient number, since it is larger than the sum of its proper divisors (598495).

2788385 is an equidigital number, since it uses as much as digits as its factorization.

2788385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6807.

The product of its digits is 107520, while the sum is 41.

The square root of 2788385 is about 1669.8458012643. The cubic root of 2788385 is about 140.7508131663.

The spelling of 2788385 in words is "two million, seven hundred eighty-eight thousand, three hundred eighty-five".