443348631 has 12 divisors (see below), whose sum is σ = 698610120. Its totient is φ = 268696080.

The previous prime is 443348617. The next prime is 443348651. The reversal of 443348631 is 136843344.

It is a happy number.

It is not a de Polignac number, because 443348631 - 2¹¹ = 443346583 is a prime.

It is a super-2 number, since 2×443348631² = 393116017219148322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443348611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2239036 + ... + 2239233.

It is an arithmetic number, because the mean of its divisors is an integer number (58217510).

Almost surely, 2^443348631 is an apocalyptic number.

443348631 is a deficient number, since it is larger than the sum of its proper divisors (255261489).

443348631 is a wasteful number, since it uses less digits than its factorization.

443348631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478286 (or 4478283 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 443348631 is about 21055.8455303984. The cubic root of 443348631 is about 762.5151155653.

The spelling of 443348631 in words is "four hundred forty-three million, three hundred forty-eight thousand, six hundred thirty-one".