6664248 has 32 divisors (see below), whose sum is σ = 18512400. Its totient is φ = 2221344.

The previous prime is 6664237. The next prime is 6664261. The reversal of 6664248 is 8424666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15211 + ... + 15642.

Almost surely, 2^6664248 is an apocalyptic number.

It is an amenable number.

6664248 is an abundant number, since it is smaller than the sum of its proper divisors (11848152).

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

6664248 is a wasteful number, since it uses less digits than its factorization.

6664248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30868 (or 30858 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 6664248 is about 2581.5204821965. The cubic root of 6664248 is about 188.1844424984.

The spelling of 6664248 in words is "six million, six hundred sixty-four thousand, two hundred forty-eight".