82650838 has 16 divisors (see below), whose sum is σ = 132309504. Its totient is φ = 38586240.

The previous prime is 82650833. The next prime is 82650851. The reversal of 82650838 is 83805628.

It is a super-2 number, since 2×82650838² = 13662322044204488, 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 82650838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82650833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5253 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (8269344).

Almost surely, 2^82650838 is an apocalyptic number.

82650838 is a deficient number, since it is larger than the sum of its proper divisors (49658666).

82650838 is a wasteful number, since it uses less digits than its factorization.

82650838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19287.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 82650838 is about 9091.2506290389. The cubic root of 82650838 is about 435.5945329849.

The spelling of 82650838 in words is "eighty-two million, six hundred fifty thousand, eight hundred thirty-eight".