8394408 has 64 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 2543040.

The previous prime is 8394403. The next prime is 8394433. The reversal of 8394408 is 8044938.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8394403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610 + ... + 4142.

It is an arithmetic number, because the mean of its divisors is an integer number (397575).

Almost surely, 2^8394408 is an apocalyptic number.

8394408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8394408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12722400).

8394408 is an abundant number, since it is smaller than the sum of its proper divisors (17050392).

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

8394408 is a wasteful number, since it uses less digits than its factorization.

8394408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8394408 is about 2897.3104769769. The cubic root of 8394408 is about 203.2341527111.

The spelling of 8394408 in words is "eight million, three hundred ninety-four thousand, four hundred eight".