82420296 has 64 divisors (see below), whose sum is σ = 237271680. Its totient is φ = 23370240.

The previous prime is 82420277. The next prime is 82420307. The reversal of 82420296 is 69202428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21226 + ... + 24806.

It is an arithmetic number, because the mean of its divisors is an integer number (3707370).

Almost surely, 2^82420296 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 82420296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118635840).

82420296 is an abundant number, since it is smaller than the sum of its proper divisors (154851384).

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

82420296 is a wasteful number, since it uses less digits than its factorization.

82420296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3730 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 82420296 is about 9078.5624412679. The cubic root of 82420296 is about 435.1891474956.

The spelling of 82420296 in words is "eighty-two million, four hundred twenty thousand, two hundred ninety-six".