8422416 has 60 divisors (see below), whose sum is σ = 24605568. Its totient is φ = 2684352.

The previous prime is 8422411. The next prime is 8422451. The reversal of 8422416 is 6142248.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 8422416.

It is not an unprimeable number, because it can be changed into a prime (8422411) 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, 2041 + ... + 4583.

Almost surely, 2^8422416 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 8422416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12302784).

8422416 is an abundant number, since it is smaller than the sum of its proper divisors (16183152).

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

8422416 is a wasteful number, since it uses less digits than its factorization.

8422416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2571 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 8422416 is about 2902.1399001427. The cubic root of 8422416 is about 203.4599325076.

It can be divided in two parts, 84 and 22416, that added together give a square (22500 = 150²).

The spelling of 8422416 in words is "eight million, four hundred twenty-two thousand, four hundred sixteen".