82628446 has 4 divisors (see below), whose sum is σ = 123942672. Its totient is φ = 41314222.

The previous prime is 82628417. The next prime is 82628459. The reversal of 82628446 is 64482628.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 82628399 and 82628408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20657110 + ... + 20657113.

It is an arithmetic number, because the mean of its divisors is an integer number (30985668).

Almost surely, 2^82628446 is an apocalyptic number.

82628446 is a deficient number, since it is larger than the sum of its proper divisors (41314226).

82628446 is a wasteful number, since it uses less digits than its factorization.

82628446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41314225.

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

The square root of 82628446 is about 9090.0190318833. The cubic root of 82628446 is about 435.5551919288. Note that the first 3 decimals are identical.

The spelling of 82628446 in words is "eighty-two million, six hundred twenty-eight thousand, four hundred forty-six".