84064628 has 12 divisors (see below), whose sum is σ = 147861252. Its totient is φ = 41818560.

The previous prime is 84064619. The next prime is 84064663. The reversal of 84064628 is 82646048.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41319184 + 42745444 = 6428^2 + 6538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84064591 and 84064600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52553 + ... + 54128.

It is an arithmetic number, because the mean of its divisors is an integer number (12321771).

Almost surely, 2^84064628 is an apocalyptic number.

It is an amenable number.

84064628 is a deficient number, since it is larger than the sum of its proper divisors (63796624).

84064628 is a wasteful number, since it uses less digits than its factorization.

84064628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106882 (or 106880 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 84064628 is about 9168.6764584644. The cubic root of 84064628 is about 438.0642024831.

The spelling of 84064628 in words is "eighty-four million, sixty-four thousand, six hundred twenty-eight".