8039394 has 48 divisors (see below), whose sum is σ = 20011680. Its totient is φ = 2306880.

The previous prime is 8039393. The next prime is 8039431. The reversal of 8039394 is 4939308.

8039394 = 287² + 288² + ... + 362².

It is not an unprimeable number, because it can be changed into a prime (8039393) 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, 2694 + ... + 4830.

It is an arithmetic number, because the mean of its divisors is an integer number (416910).

Almost surely, 2^8039394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8039394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10005840).

8039394 is an abundant number, since it is smaller than the sum of its proper divisors (11972286).

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

8039394 is a wasteful number, since it uses less digits than its factorization.

8039394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 8039394 is about 2835.3825138771. The cubic root of 8039394 is about 200.3277459529.

The spelling of 8039394 in words is "eight million, thirty-nine thousand, three hundred ninety-four".