441666669 has 8 divisors (see below), whose sum is σ = 604804960. Its totient is φ = 286486416.

The previous prime is 441666629. The next prime is 441666671. The reversal of 441666669 is 966666144.

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

It is not a de Polignac number, because 441666669 - 2⁷ = 441666541 is a prime.

It is a super-2 number, since 2×441666669² = 390138893011111122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441666619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989379 + ... + 1989600.

It is an arithmetic number, because the mean of its divisors is an integer number (75600620).

Almost surely, 2^441666669 is an apocalyptic number.

It is an amenable number.

441666669 is a deficient number, since it is larger than the sum of its proper divisors (163138291).

441666669 is a wasteful number, since it uses less digits than its factorization.

441666669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979019.

The product of its digits is 1119744, while the sum is 48.

The square root of 441666669 is about 21015.8670770444. The cubic root of 441666669 is about 761.5496250167.

The spelling of 441666669 in words is "four hundred forty-one million, six hundred sixty-six thousand, six hundred sixty-nine".