2788695 has 64 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 1171584.

The previous prime is 2788693. The next prime is 2788699. The reversal of 2788695 is 5968872.

It is not a de Polignac number, because 2788695 - 2¹ = 2788693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁸ + 7⁴ + 8⁶ + 8⁶ + 6⁶ + 9² + 5⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2788695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788693) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12172 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^2788695 is an apocalyptic number.

2788695 is an abundant number, since it is smaller than the sum of its proper divisors (3339945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2788695 is a wasteful number, since it uses less digits than its factorization.

2788695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 255 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2788695 is about 1669.9386216266. The cubic root of 2788695 is about 140.7560289854.

The spelling of 2788695 in words is "two million, seven hundred eighty-eight thousand, six hundred ninety-five".