441696861 has 16 divisors (see below), whose sum is σ = 672052800. Its totient is φ = 286505424.

The previous prime is 441696809. The next prime is 441696863. The reversal of 441696861 is 168696144.

It is not a de Polignac number, because 441696861 - 2⁹ = 441696349 is a prime.

It is a super-2 number, since 2×441696861² = 390192234034506642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441696863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220071 + ... + 222068.

It is an arithmetic number, because the mean of its divisors is an integer number (42003300).

Almost surely, 2^441696861 is an apocalyptic number.

It is an amenable number.

441696861 is a deficient number, since it is larger than the sum of its proper divisors (230355939).

441696861 is a wasteful number, since it uses less digits than its factorization.

441696861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442185 (or 442179 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 441696861 is about 21016.5853791714. The cubic root of 441696861 is about 761.5669776071.

The spelling of 441696861 in words is "four hundred forty-one million, six hundred ninety-six thousand, eight hundred sixty-one".