2663204 has 6 divisors (see below), whose sum is σ = 4660614. Its totient is φ = 1331600.

The previous prime is 2663189. The next prime is 2663209. The reversal of 2663204 is 4023662.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 813604 = 1360^2 + 902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2663204.

It is not an unprimeable number, because it can be changed into a prime (2663209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332897 + ... + 332904.

It is an arithmetic number, because the mean of its divisors is an integer number (776769).

2^2663204 is an apocalyptic number.

It is an amenable number.

2663204 is a deficient number, since it is larger than the sum of its proper divisors (1997410).

2663204 is a wasteful number, since it uses less digits than its factorization.

2663204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665805 (or 665803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2663204 is about 1631.9325966473. The cubic root of 2663204 is about 138.6122068975.

Adding to 2663204 its reverse (4023662), we get a palindrome (6686866).

The spelling of 2663204 in words is "two million, six hundred sixty-three thousand, two hundred four".