6633945 has 24 divisors (see below), whose sum is σ = 12105600. Its totient is φ = 3351456.

The previous prime is 6633931. The next prime is 6633947. The reversal of 6633945 is 5493366.

It is not a de Polignac number, because 6633945 - 2⁹ = 6633433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6633947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3025 + ... + 4734.

It is an arithmetic number, because the mean of its divisors is an integer number (504400).

Almost surely, 2^6633945 is an apocalyptic number.

It is an amenable number.

6633945 is a deficient number, since it is larger than the sum of its proper divisors (5471655).

6633945 is a wasteful number, since it uses less digits than its factorization.

6633945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789 (or 7786 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 6633945 is about 2575.6445795179. The cubic root of 6633945 is about 187.8987779382.

The spelling of 6633945 in words is "six million, six hundred thirty-three thousand, nine hundred forty-five".