82124436 has 12 divisors (see below), whose sum is σ = 191623712. Its totient is φ = 27374808.

The previous prime is 82124431. The next prime is 82124437. The reversal of 82124436 is 63442128.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82124431) 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 3 ways as a sum of consecutive naturals, for example, 3421840 + ... + 3421863.

Almost surely, 2^82124436 is an apocalyptic number.

It is an amenable number.

82124436 is an abundant number, since it is smaller than the sum of its proper divisors (109499276).

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

82124436 is a wasteful number, since it uses less digits than its factorization.

82124436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6843710 (or 6843708 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 82124436 is about 9062.2533621611. The cubic root of 82124436 is about 434.6677976288.

The spelling of 82124436 in words is "eighty-two million, one hundred twenty-four thousand, four hundred thirty-six".