82259406 has 24 divisors (see below), whose sum is σ = 178448400. Its totient is φ = 27386016.

The previous prime is 82259389. The next prime is 82259449. The reversal of 82259406 is 60495228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15370 + ... + 20018.

It is an arithmetic number, because the mean of its divisors is an integer number (7435350).

Almost surely, 2^82259406 is an apocalyptic number.

82259406 is an abundant number, since it is smaller than the sum of its proper divisors (96188994).

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

82259406 is a wasteful number, since it uses less digits than its factorization.

82259406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640 (or 5637 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 82259406 is about 9069.6971283500. The cubic root of 82259406 is about 434.9057901410.

The spelling of 82259406 in words is "eighty-two million, two hundred fifty-nine thousand, four hundred six".