6040666 has 4 divisors (see below), whose sum is σ = 9061002. Its totient is φ = 3020332.

The previous prime is 6040663. The next prime is 6040667. The reversal of 6040666 is 6660406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5900041 + 140625 = 2429^2 + 375^2 .

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6040663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510165 + ... + 1510168.

Almost surely, 2^6040666 is an apocalyptic number.

6040666 is a deficient number, since it is larger than the sum of its proper divisors (3020336).

6040666 is a wasteful number, since it uses less digits than its factorization.

6040666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020335.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6040666 is about 2457.7766375324. The cubic root of 6040666 is about 182.1216632084.

The spelling of 6040666 in words is "six million, forty thousand, six hundred sixty-six".