8662004 has 24 divisors (see below), whose sum is σ = 16444008. Its totient is φ = 3968640.

The previous prime is 8661997. The next prime is 8662009. The reversal of 8662004 is 4002668.

It can be written as a sum of positive squares in 4 ways, for example, as 252004 + 8410000 = 502^2 + 2900^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8662009) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7634 + ... + 8694.

It is an arithmetic number, because the mean of its divisors is an integer number (685167).

Almost surely, 2^8662004 is an apocalyptic number.

It is an amenable number.

8662004 is a deficient number, since it is larger than the sum of its proper divisors (7782004).

8662004 is a wasteful number, since it uses less digits than its factorization.

8662004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 8662004 is about 2943.1282676771. The cubic root of 8662004 is about 205.3711618148.

The spelling of 8662004 in words is "eight million, six hundred sixty-two thousand, four".