5478866 has 4 divisors (see below), whose sum is σ = 8218302. Its totient is φ = 2739432.

The previous prime is 5478841. The next prime is 5478877. The reversal of 5478866 is 6688745.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4713241 + 765625 = 2171^2 + 875^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1369715 + ... + 1369718.

Almost surely, 2^5478866 is an apocalyptic number.

5478866 is a deficient number, since it is larger than the sum of its proper divisors (2739436).

5478866 is a wasteful number, since it uses less digits than its factorization.

5478866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739435.

The product of its digits is 322560, while the sum is 44.

The square root of 5478866 is about 2340.6977592163. The cubic root of 5478866 is about 176.2910344910.

The spelling of 5478866 in words is "five million, four hundred seventy-eight thousand, eight hundred sixty-six".