2789604 has 18 divisors (see below), whose sum is σ = 7051590. Its totient is φ = 929856.

The previous prime is 2789593. The next prime is 2789609. The reversal of 2789604 is 4069872.

2789604 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 1232100 = 1248^2 + 1110^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 77489 = 2789604 / (2 + 7 + 8 + 9 + 6 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (2789609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38709 + ... + 38780.

It is an arithmetic number, because the mean of its divisors is an integer number (391755).

2^2789604 is an apocalyptic number.

It is an amenable number.

2789604 is an abundant number, since it is smaller than the sum of its proper divisors (4261986).

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

2789604 is a wasteful number, since it uses less digits than its factorization.

2789604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77499 (or 77494 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2789604 is about 1670.2107651431. The cubic root of 2789604 is about 140.7713208849.

The spelling of 2789604 in words is "two million, seven hundred eighty-nine thousand, six hundred four".