6663486 has 16 divisors (see below), whose sum is σ = 13373568. Its totient is φ = 2213400.

The previous prime is 6663469. The next prime is 6663487. The reversal of 6663486 is 6843666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663487) 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, 81 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (835848).

Almost surely, 2^6663486 is an apocalyptic number.

6663486 is an abundant number, since it is smaller than the sum of its proper divisors (6710082).

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

6663486 is a wasteful number, since it uses less digits than its factorization.

6663486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887.

The product of its digits is 124416, while the sum is 39.

The square root of 6663486 is about 2581.3728905371. The cubic root of 6663486 is about 188.1772697956.

The spelling of 6663486 in words is "six million, six hundred sixty-three thousand, four hundred eighty-six".