441896861 has 16 divisors (see below), whose sum is σ = 557985024. Its totient is φ = 340986624.

The previous prime is 441896857. The next prime is 441896887. The reversal of 441896861 is 168698144.

It is a cyclic number.

It is not a de Polignac number, because 441896861 - 2² = 441896857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441896761) 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, 77990 + ... + 83463.

It is an arithmetic number, because the mean of its divisors is an integer number (34874064).

Almost surely, 2^441896861 is an apocalyptic number.

It is an amenable number.

441896861 is a deficient number, since it is larger than the sum of its proper divisors (116088163).

441896861 is a wasteful number, since it uses less digits than its factorization.

441896861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161500.

The product of its digits is 331776, while the sum is 47.

The square root of 441896861 is about 21021.3429875448. The cubic root of 441896861 is about 761.6819059102.

The spelling of 441896861 in words is "four hundred forty-one million, eight hundred ninety-six thousand, eight hundred sixty-one".