8416836 has 54 divisors (see below), whose sum is σ = 22628970. Its totient is φ = 2637312.

The previous prime is 8416817. The next prime is 8416879. The reversal of 8416836 is 6386148.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5198400 + 3218436 = 2280^2 + 1794^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8416836.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10000 + ... + 10808.

It is an arithmetic number, because the mean of its divisors is an integer number (419055).

Almost surely, 2^8416836 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 8416836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11314485).

8416836 is an abundant number, since it is smaller than the sum of its proper divisors (14212134).

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

8416836 is a wasteful number, since it uses less digits than its factorization.

8416836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 831 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8416836 is about 2901.1783812789. The cubic root of 8416836 is about 203.4149906431.

The spelling of 8416836 in words is "eight million, four hundred sixteen thousand, eight hundred thirty-six".