2788205 has 32 divisors (see below), whose sum is σ = 4112640. Its totient is φ = 1774080.

The previous prime is 2788199. The next prime is 2788213. The reversal of 2788205 is 5028872.

It is not a de Polignac number, because 2788205 - 2¹⁰ = 2787181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41582 + ... + 41648.

It is an arithmetic number, because the mean of its divisors is an integer number (128520).

2^2788205 is an apocalyptic number.

It is an amenable number.

2788205 is a deficient number, since it is larger than the sum of its proper divisors (1324435).

2788205 is a wasteful number, since it uses less digits than its factorization.

2788205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2788205 is about 1669.7919032023. The cubic root of 2788205 is about 140.7477844488.

The spelling of 2788205 in words is "two million, seven hundred eighty-eight thousand, two hundred five".