8864394 has 48 divisors (see below), whose sum is σ = 22506336. Its totient is φ = 2301600.

The previous prime is 8864381. The next prime is 8864399. The reversal of 8864394 is 4934688.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (8864399) 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, 1864 + ... + 4604.

It is an arithmetic number, because the mean of its divisors is an integer number (468882).

Almost surely, 2^8864394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8864394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11253168).

8864394 is an abundant number, since it is smaller than the sum of its proper divisors (13641942).

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

8864394 is a wasteful number, since it uses less digits than its factorization.

8864394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2764 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 8864394 is about 2977.3132183229. The cubic root of 8864394 is about 206.9583803930.

The spelling of 8864394 in words is "eight million, eight hundred sixty-four thousand, three hundred ninety-four".