2788085 has 8 divisors (see below), whose sum is σ = 3542616. Its totient is φ = 2099200.

The previous prime is 2788081. The next prime is 2788091. The reversal of 2788085 is 5808872.

It can be written as a sum of positive squares in 4 ways, for example, as 208849 + 2579236 = 457^2 + 1606^2 .

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

It is not a de Polignac number, because 2788085 - 2² = 2788081 is a prime.

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 (2788081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16316 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (442827).

2^2788085 is an apocalyptic number.

It is an amenable number.

2788085 is a deficient number, since it is larger than the sum of its proper divisors (754531).

2788085 is a wasteful number, since it uses less digits than its factorization.

2788085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32823.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2788085 is about 1669.7559701944. The cubic root of 2788085 is about 140.7457652313.

The spelling of 2788085 in words is "two million, seven hundred eighty-eight thousand, eighty-five".