84270528 has 84 divisors (see below), whose sum is σ = 252087888. Its totient is φ = 26864640.

The previous prime is 84270521. The next prime is 84270559. The reversal of 84270528 is 82507248.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 84270492 and 84270501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84270521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10068 + ... + 16428.

Almost surely, 2^84270528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84270528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126043944).

84270528 is an abundant number, since it is smaller than the sum of its proper divisors (167817360).

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

84270528 is a wasteful number, since it uses less digits than its factorization.

84270528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402 (or 6389 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 84270528 is about 9179.8980386494. The cubic root of 84270528 is about 438.4215619778.

The spelling of 84270528 in words is "eighty-four million, two hundred seventy thousand, five hundred twenty-eight".