441689836 has 36 divisors (see below), whose sum is σ = 914940208. Its totient is φ = 182758464.

The previous prime is 441689797. The next prime is 441689849. The reversal of 441689836 is 638986144.

It is a super-2 number, since 2×441689836² = 390179822451413792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 441689836.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14170 + ... + 32926.

Almost surely, 2^441689836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441689836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457470104).

441689836 is an abundant number, since it is smaller than the sum of its proper divisors (473250372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441689836 is a wasteful number, since it uses less digits than its factorization.

441689836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18826 (or 18795 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 441689836 is about 21016.4182485979. The cubic root of 441689836 is about 761.5629401198.

The spelling of 441689836 in words is "four hundred forty-one million, six hundred eighty-nine thousand, eight hundred thirty-six".