84447628 has 24 divisors (see below), whose sum is σ = 162328320. Its totient is φ = 38261520.

The previous prime is 84447617. The next prime is 84447667. The reversal of 84447628 is 82674448.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22408 + ... + 25903.

It is an arithmetic number, because the mean of its divisors is an integer number (6763680).

Almost surely, 2^84447628 is an apocalyptic number.

It is an amenable number.

84447628 is a deficient number, since it is larger than the sum of its proper divisors (77880692).

84447628 is a wasteful number, since it uses less digits than its factorization.

84447628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48357 (or 48355 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 84447628 is about 9189.5390526402. The cubic root of 84447628 is about 438.7284708986.

The spelling of 84447628 in words is "eighty-four million, four hundred forty-seven thousand, six hundred twenty-eight".