84628 has 6 divisors (see below), whose sum is σ = 148106. Its totient is φ = 42312.

The previous prime is 84589. The next prime is 84629. The reversal of 84628 is 82648.

It can be written as a sum of positive squares in only one way, i.e., 49284 + 35344 = 222^2 + 188^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84596 and 84605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10575 + ... + 10582.

2⁸⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

84628 is a deficient number, since it is larger than the sum of its proper divisors (63478).

84628 is a wasteful number, since it uses less digits than its factorization.

84628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161 (or 21159 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 84628 is about 290.9089204545. The cubic root of 84628 is about 43.9040609358.

The spelling of 84628 in words is "eighty-four thousand, six hundred twenty-eight".