82634443 has 4 divisors (see below), whose sum is σ = 83989168. Its totient is φ = 81279720.

The previous prime is 82634411. The next prime is 82634449. The reversal of 82634443 is 34443628.

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 82634443 - 2⁵ = 82634411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82634399 and 82634408.

It is not an unprimeable number, because it can be changed into a prime (82634449) 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, 677271 + ... + 677392.

It is an arithmetic number, because the mean of its divisors is an integer number (20997292).

Almost surely, 2^82634443 is an apocalyptic number.

82634443 is a deficient number, since it is larger than the sum of its proper divisors (1354725).

82634443 is a wasteful number, since it uses less digits than its factorization.

82634443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354724.

The product of its digits is 55296, while the sum is 34.

The square root of 82634443 is about 9090.3488931944. The cubic root of 82634443 is about 435.5657289025.

The spelling of 82634443 in words is "eighty-two million, six hundred thirty-four thousand, four hundred forty-three".