2788704 has 72 divisors (see below), whose sum is σ = 8294832. Its totient is φ = 887040.

The previous prime is 2788699. The next prime is 2788769. The reversal of 2788704 is 4078872.

2788704 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6414 + ... + 6834.

It is an arithmetic number, because the mean of its divisors is an integer number (115206).

2^2788704 is an apocalyptic number.

2788704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2788704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4147416).

2788704 is an abundant number, since it is smaller than the sum of its proper divisors (5506128).

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

2788704 is a wasteful number, since it uses less digits than its factorization.

2788704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 2788704 is about 1669.9413163342. The cubic root of 2788704 is about 140.7561804066.

The spelling of 2788704 in words is "two million, seven hundred eighty-eight thousand, seven hundred four".