8427516 has 48 divisors (see below), whose sum is σ = 20727840. Its totient is φ = 2661120.

The previous prime is 8427491. The next prime is 8427521. The reversal of 8427516 is 6157248.

8427516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21030 + ... + 21426.

It is an arithmetic number, because the mean of its divisors is an integer number (431830).

Almost surely, 2^8427516 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 8427516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10363920).

8427516 is an abundant number, since it is smaller than the sum of its proper divisors (12300324).

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

8427516 is a wasteful number, since it uses less digits than its factorization.

8427516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 8427516 is about 2903.0184291527. The cubic root of 8427516 is about 203.5009910465.

The spelling of 8427516 in words is "eight million, four hundred twenty-seven thousand, five hundred sixteen".