2886804 has 72 divisors (see below), whose sum is σ = 7960680. Its totient is φ = 878592.

The previous prime is 2886791. The next prime is 2886809. The reversal of 2886804 is 4086882.

It can be written as a sum of positive squares in 4 ways, for example, as 636804 + 2250000 = 798^2 + 1500^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2886809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32392 + ... + 32480.

It is an arithmetic number, because the mean of its divisors is an integer number (110565).

2^2886804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2886804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3980340).

2886804 is an abundant number, since it is smaller than the sum of its proper divisors (5073876).

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

2886804 is a wasteful number, since it uses less digits than its factorization.

2886804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2886804 is about 1699.0597399738. The cubic root of 2886804 is about 142.3876862011.

The spelling of 2886804 in words is "two million, eight hundred eighty-six thousand, eight hundred four".