84628985 has 8 divisors (see below), whose sum is σ = 116062656. Its totient is φ = 58031280.

The previous prime is 84628981. The next prime is 84628991. The reversal of 84628985 is 58982648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84628985 - 2² = 84628981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84628981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208951 + ... + 1209020.

It is an arithmetic number, because the mean of its divisors is an integer number (14507832).

Almost surely, 2^84628985 is an apocalyptic number.

It is an amenable number.

84628985 is a deficient number, since it is larger than the sum of its proper divisors (31433671).

84628985 is a wasteful number, since it uses less digits than its factorization.

84628985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417983.

The product of its digits is 1105920, while the sum is 50.

The square root of 84628985 is about 9199.4013392177. The cubic root of 84628985 is about 439.0423127077.

The spelling of 84628985 in words is "eighty-four million, six hundred twenty-eight thousand, nine hundred eighty-five".