84210528 has 48 divisors (see below), whose sum is σ = 221538240. Its totient is φ = 28008576.

The previous prime is 84210499. The next prime is 84210541. The reversal of 84210528 is 82501248.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 84210495 and 84210504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70351 + ... + 71537.

It is an arithmetic number, because the mean of its divisors is an integer number (4615380).

Almost surely, 2^84210528 is an apocalyptic number.

It is an amenable number.

84210528 is an abundant number, since it is smaller than the sum of its proper divisors (137327712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84210528 is a wasteful number, since it uses less digits than its factorization.

84210528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 84210528 is about 9176.6294465888. The cubic root of 84210528 is about 438.3174862910.

The spelling of 84210528 in words is "eighty-four million, two hundred ten thousand, five hundred twenty-eight".