84503538 has 48 divisors (see below), whose sum is σ = 213532800. Its totient is φ = 24142104.

The previous prime is 84503537. The next prime is 84503539. The reversal of 84503538 is 83530548.

It is an interprime number because it is at equal distance from previous prime (84503537) and next prime (84503539).

It is not an unprimeable number, because it can be changed into a prime (84503537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 670 + ... + 13017.

It is an arithmetic number, because the mean of its divisors is an integer number (4448600).

Almost surely, 2^84503538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84503538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106766400).

84503538 is an abundant number, since it is smaller than the sum of its proper divisors (129029262).

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

84503538 is a wasteful number, since it uses less digits than its factorization.

84503538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13716 (or 13699 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 84503538 is about 9192.5805952409. The cubic root of 84503538 is about 438.8252721076.

The spelling of 84503538 in words is "eighty-four million, five hundred three thousand, five hundred thirty-eight".