441666297 has 8 divisors (see below), whose sum is σ = 654320480. Its totient is φ = 294444180.

The previous prime is 441666293. The next prime is 441666301. The reversal of 441666297 is 792666144.

It is an interprime number because it is at equal distance from previous prime (441666293) and next prime (441666301).

It is not a de Polignac number, because 441666297 - 2² = 441666293 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441666293) 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, 8178979 + ... + 8179032.

It is an arithmetic number, because the mean of its divisors is an integer number (81790060).

Almost surely, 2^441666297 is an apocalyptic number.

It is an amenable number.

441666297 is a deficient number, since it is larger than the sum of its proper divisors (212654183).

441666297 is a wasteful number, since it uses less digits than its factorization.

441666297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16358020 (or 16358014 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 441666297 is about 21015.8582265869. The cubic root of 441666297 is about 761.5494112080.

The spelling of 441666297 in words is "four hundred forty-one million, six hundred sixty-six thousand, two hundred ninety-seven".