8422736 has 40 divisors (see below), whose sum is σ = 18808320. Its totient is φ = 3579264.

The previous prime is 8422727. The next prime is 8422741. The reversal of 8422736 is 6372248.

It is a d-powerful number, because it can be written as 8 + 4⁵ + 2¹⁵ + 2²³ + 7² + 3⁵ + 6² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17345 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (470208).

Almost surely, 2^8422736 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 8422736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9404160).

8422736 is an abundant number, since it is smaller than the sum of its proper divisors (10385584).

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

8422736 is a wasteful number, since it uses less digits than its factorization.

8422736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 645 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 8422736 is about 2902.1950313513. The cubic root of 8422736 is about 203.4625092170.

The spelling of 8422736 in words is "eight million, four hundred twenty-two thousand, seven hundred thirty-six".