6665924 has 6 divisors (see below), whose sum is σ = 11665374. Its totient is φ = 3332960.

The previous prime is 6665917. The next prime is 6665927. The reversal of 6665924 is 4295666.

6665924 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 515524 = 2480^2 + 718^2 .

It is not an unprimeable number, because it can be changed into a prime (6665927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833237 + ... + 833244.

It is an arithmetic number, because the mean of its divisors is an integer number (1944229).

Almost surely, 2^6665924 is an apocalyptic number.

It is an amenable number.

6665924 is a deficient number, since it is larger than the sum of its proper divisors (4999450).

6665924 is a wasteful number, since it uses less digits than its factorization.

6665924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666485 (or 1666483 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 6665924 is about 2581.8450766845. The cubic root of 6665924 is about 188.2002167558.

The spelling of 6665924 in words is "six million, six hundred sixty-five thousand, nine hundred twenty-four".