8472816 has 80 divisors (see below), whose sum is σ = 26545920. Its totient is φ = 2566080.

The previous prime is 8472799. The next prime is 8472847. The reversal of 8472816 is 6182748.

It is a super-2 number, since 2×8472816² = 143577221939712, which contains 22 as substring.

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

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, 3861 + ... + 5643.

It is an arithmetic number, because the mean of its divisors is an integer number (331824).

Almost surely, 2^8472816 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 8472816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272960).

8472816 is an abundant number, since it is smaller than the sum of its proper divisors (18073104).

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

8472816 is a wasteful number, since it uses less digits than its factorization.

8472816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1799 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 8472816 is about 2910.8101964917. The cubic root of 8472816 is about 203.8649625350.

It can be divided in two parts, 847 and 2816, that added together give a palindrome (3663).

The spelling of 8472816 in words is "eight million, four hundred seventy-two thousand, eight hundred sixteen".