2788470 has 24 divisors (see below), whose sum is σ = 7250256. Its totient is φ = 743568.

The previous prime is 2788469. The next prime is 2788483. The reversal of 2788470 is 748872.

2788470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15402 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (302094).

2^2788470 is an apocalyptic number.

2788470 is an abundant number, since it is smaller than the sum of its proper divisors (4461786).

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

2788470 is a wasteful number, since it uses less digits than its factorization.

2788470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30996 (or 30993 counting only the distinct ones).

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

The square root of 2788470 is about 1669.8712525222. The cubic root of 2788470 is about 140.7522433487.

The spelling of 2788470 in words is "two million, seven hundred eighty-eight thousand, four hundred seventy".