82419210 has 24 divisors (see below), whose sum is σ = 214290180. Its totient is φ = 21978432.

The previous prime is 82419209. The next prime is 82419217. The reversal of 82419210 is 1291428.

It can be written as a sum of positive squares in 2 ways, for example, as 73256481 + 9162729 = 8559^2 + 3027^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82419217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457795 + ... + 457974.

Almost surely, 2^82419210 is an apocalyptic number.

82419210 is an abundant number, since it is smaller than the sum of its proper divisors (131870970).

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

82419210 is a wasteful number, since it uses less digits than its factorization.

82419210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915782 (or 915779 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 82419210 is about 9078.5026298394. The cubic root of 82419210 is about 435.1872360833.

The spelling of 82419210 in words is "eighty-two million, four hundred nineteen thousand, two hundred ten".