82644628 has 12 divisors (see below), whose sum is σ = 157776192. Its totient is φ = 37565720.

The previous prime is 82644613. The next prime is 82644637.

82644628 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 939100 + ... + 939187.

It is an arithmetic number, because the mean of its divisors is an integer number (13148016).

Almost surely, 2^82644628 is an apocalyptic number.

It is an amenable number.

82644628 is a deficient number, since it is larger than the sum of its proper divisors (75131564).

82644628 is a wasteful number, since it uses less digits than its factorization.

82644628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878302 (or 1878300 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 82644628 is about 9090.9090854545. The cubic root of 82644628 is about 435.5836231951.

It can be divided in two parts, 826 and 44628, that added together give a palindrome (45454).

The spelling of 82644628 in words is "eighty-two million, six hundred forty-four thousand, six hundred twenty-eight".