83628443 has 4 divisors (see below), whose sum is σ = 88029960. Its totient is φ = 79226928.

The previous prime is 83628439. The next prime is 83628451. The reversal of 83628443 is 34482638.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83628443 - 2² = 83628439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83628397 and 83628406.

It is not an unprimeable number, because it can be changed into a prime (83628403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200730 + ... + 2200767.

It is an arithmetic number, because the mean of its divisors is an integer number (22007490).

Almost surely, 2^83628443 is an apocalyptic number.

83628443 is a deficient number, since it is larger than the sum of its proper divisors (4401517).

83628443 is a wasteful number, since it uses less digits than its factorization.

83628443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401516.

The product of its digits is 110592, while the sum is 38.

The square root of 83628443 is about 9144.8588288721. The cubic root of 83628443 is about 437.3052290033.

The spelling of 83628443 in words is "eighty-three million, six hundred twenty-eight thousand, four hundred forty-three".