82388826 has 160 divisors (see below), whose sum is σ = 219542400. Its totient is φ = 22861440.

The previous prime is 82388819. The next prime is 82388827. The reversal of 82388826 is 62888328.

It is not an unprimeable number, because it can be changed into a prime (82388827) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1160371 + ... + 1160441.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^82388826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82388826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109771200).

82388826 is an abundant number, since it is smaller than the sum of its proper divisors (137153574).

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

82388826 is a wasteful number, since it uses less digits than its factorization.

82388826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 137 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 82388826 is about 9076.8290718731. The cubic root of 82388826 is about 435.1337519737.

The spelling of 82388826 in words is "eighty-two million, three hundred eighty-eight thousand, eight hundred twenty-six".