8622378 has 48 divisors (see below), whose sum is σ = 19880640. Its totient is φ = 2694912.

The previous prime is 8622373. The next prime is 8622379. The reversal of 8622378 is 8732268.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8622373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24250 + ... + 24602.

It is an arithmetic number, because the mean of its divisors is an integer number (414180).

Almost surely, 2^8622378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8622378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9940320).

8622378 is an abundant number, since it is smaller than the sum of its proper divisors (11258262).

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

8622378 is a wasteful number, since it uses less digits than its factorization.

8622378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 440 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 8622378 is about 2936.3885982615. The cubic root of 8622378 is about 205.0575131115.

It can be divided in two parts, 862 and 2378, that added together give a triangular number (3240 = T₈₀).

The spelling of 8622378 in words is "eight million, six hundred twenty-two thousand, three hundred seventy-eight".