82004136 has 32 divisors (see below), whose sum is σ = 210553440. Its totient is φ = 26595648.

The previous prime is 82004113. The next prime is 82004137. The reversal of 82004136 is 63140028.

It is a happy number.

It is a super-2 number, since 2×82004136² = 13449356642212992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (82004137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45286 + ... + 47061.

It is an arithmetic number, because the mean of its divisors is an integer number (6579795).

Almost surely, 2^82004136 is an apocalyptic number.

It is an amenable number.

82004136 is an abundant number, since it is smaller than the sum of its proper divisors (128549304).

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

82004136 is a wasteful number, since it uses less digits than its factorization.

82004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92393 (or 92389 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 82004136 is about 9055.6135076537. The cubic root of 82004136 is about 434.4554528343.

The spelling of 82004136 in words is "eighty-two million, four thousand, one hundred thirty-six".