82428032 has 16 divisors (see below), whose sum is σ = 164212350. Its totient is φ = 41213952.

The previous prime is 82428001. The next prime is 82428041. The reversal of 82428032 is 23082428.

It can be written as a sum of positive squares in only one way, i.e., 47665216 + 34762816 = 6904^2 + 5896^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 82427986 and 82428004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321857 + ... + 322112.

Almost surely, 2^82428032 is an apocalyptic number.

It is an amenable number.

82428032 is a deficient number, since it is larger than the sum of its proper divisors (81784318).

82428032 is an equidigital number, since it uses as much as digits as its factorization.

82428032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643983 (or 643971 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 82428032 is about 9078.9884899145. The cubic root of 82428032 is about 435.2027627420.

The spelling of 82428032 in words is "eighty-two million, four hundred twenty-eight thousand, thirty-two".