6606442 has 8 divisors (see below), whose sum is σ = 9948996. Its totient is φ = 3290112.

The previous prime is 6606437. The next prime is 6606443. The reversal of 6606442 is 2446066.

It can be written as a sum of positive squares in 2 ways, for example, as 6355441 + 251001 = 2521^2 + 501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6606442.

It is not an unprimeable number, because it can be changed into a prime (6606443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5913 + ... + 6940.

Almost surely, 2^6606442 is an apocalyptic number.

6606442 is a deficient number, since it is larger than the sum of its proper divisors (3342554).

6606442 is a wasteful number, since it uses less digits than its factorization.

6606442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13112.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6606442 is about 2570.2999824923. The cubic root of 6606442 is about 187.6387547741.

The spelling of 6606442 in words is "six million, six hundred six thousand, four hundred forty-two".