82806246 has 32 divisors (see below), whose sum is σ = 187492320. Its totient is φ = 27080352.

The previous prime is 82806211. The next prime is 82806247. The reversal of 82806246 is 64260828.

82806246 is a `hidden beast` number, since 8 + 28 + 0 + 624 + 6 = 666.

It is a super-2 number, since 2×82806246² = 13713748753225032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82806246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82806247) 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, 11605 + ... + 17328.

It is an arithmetic number, because the mean of its divisors is an integer number (5859135).

Almost surely, 2^82806246 is an apocalyptic number.

82806246 is an abundant number, since it is smaller than the sum of its proper divisors (104686074).

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

82806246 is a wasteful number, since it uses less digits than its factorization.

82806246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997 (or 28991 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 82806246 is about 9099.7937339261. The cubic root of 82806246 is about 435.8673775291.

The spelling of 82806246 in words is "eighty-two million, eight hundred six thousand, two hundred forty-six".