84628838 has 32 divisors (see below), whose sum is σ = 151115328. Its totient is φ = 34790400.

The previous prime is 84628823. The next prime is 84628877. The reversal of 84628838 is 83882648.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 84628792 and 84628801.

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 15 ways as a sum of consecutive naturals, for example, 33806 + ... + 36222.

It is an arithmetic number, because the mean of its divisors is an integer number (4722354).

Almost surely, 2^84628838 is an apocalyptic number.

84628838 is a deficient number, since it is larger than the sum of its proper divisors (66486490).

84628838 is a wasteful number, since it uses less digits than its factorization.

84628838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its digits is 589824, while the sum is 47.

The square root of 84628838 is about 9199.3933495639. The cubic root of 84628838 is about 439.0420585030.

The spelling of 84628838 in words is "eighty-four million, six hundred twenty-eight thousand, eight hundred thirty-eight".