2666304 has 56 divisors (see below), whose sum is σ = 7843520. Its totient is φ = 888192.

The previous prime is 2666303. The next prime is 2666309. The reversal of 2666304 is 4036662.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957 + ... + 2499.

2^2666304 is an apocalyptic number.

2666304 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 2666304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3921760).

2666304 is an abundant number, since it is smaller than the sum of its proper divisors (5177216).

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

2666304 is a wasteful number, since it uses less digits than its factorization.

2666304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1548 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2666304 is about 1632.8821145447. The cubic root of 2666304 is about 138.6659681096.

The spelling of 2666304 in words is "two million, six hundred sixty-six thousand, three hundred four".