82636456 has 64 divisors (see below), whose sum is σ = 190702080. Its totient is φ = 32762880.

The previous prime is 82636451. The next prime is 82636459. The reversal of 82636456 is 65463628.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (82636451) 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, 57361 + ... + 58783.

It is an arithmetic number, because the mean of its divisors is an integer number (2979720).

Almost surely, 2^82636456 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 82636456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95351040).

82636456 is an abundant number, since it is smaller than the sum of its proper divisors (108065624).

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

82636456 is a wasteful number, since it uses less digits than its factorization.

82636456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1510 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 82636456 is about 9090.4596143429. The cubic root of 82636456 is about 435.5692657114.

The spelling of 82636456 in words is "eighty-two million, six hundred thirty-six thousand, four hundred fifty-six".