6651244 has 12 divisors (see below), whose sum is σ = 11732224. Its totient is φ = 3299184.

The previous prime is 6651223. The next prime is 6651251. The reversal of 6651244 is 4421566.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6039 + ... + 7054.

Almost surely, 2^6651244 is an apocalyptic number.

It is an amenable number.

6651244 is a deficient number, since it is larger than the sum of its proper divisors (5080980).

6651244 is a wasteful number, since it uses less digits than its factorization.

6651244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13224 (or 13222 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 6651244 is about 2579.0005816207. Note that the first 3 decimals coincide. The cubic root of 6651244 is about 188.0619608654.

The spelling of 6651244 in words is "six million, six hundred fifty-one thousand, two hundred forty-four".