8394664 has 8 divisors (see below), whose sum is σ = 15740010. Its totient is φ = 4197328.

The previous prime is 8394643. The next prime is 8394667. The reversal of 8394664 is 4664938.

It can be written as a sum of positive squares in only one way, i.e., 6812100 + 1582564 = 2610^2 + 1258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8394667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524659 + ... + 524674.

Almost surely, 2^8394664 is an apocalyptic number.

It is an amenable number.

8394664 is a deficient number, since it is larger than the sum of its proper divisors (7345346).

8394664 is a wasteful number, since it uses less digits than its factorization.

8394664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049339 (or 1049335 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 8394664 is about 2897.3546555436. The cubic root of 8394664 is about 203.2362186664.

The spelling of 8394664 in words is "eight million, three hundred ninety-four thousand, six hundred sixty-four".