8422680 has 128 divisors (see below), whose sum is σ = 29767680. Its totient is φ = 1866240.

The previous prime is 8422649. The next prime is 8422691. The reversal of 8422680 is 862248.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 8³ + 4³ + 2¹⁵ + 2²³ + 6³ + 8³ + 0 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30945 + ... + 31215.

It is an arithmetic number, because the mean of its divisors is an integer number (232560).

Almost surely, 2^8422680 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 8422680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14883840).

8422680 is an abundant number, since it is smaller than the sum of its proper divisors (21345000).

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

8422680 is a wasteful number, since it uses less digits than its factorization.

8422680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8422680 is about 2902.1853834654. The cubic root of 8422680 is about 203.4620582975.

The spelling of 8422680 in words is "eight million, four hundred twenty-two thousand, six hundred eighty".