8408385 has 24 divisors (see below), whose sum is σ = 14826240. Its totient is φ = 4407072.

The previous prime is 8408377. The next prime is 8408399. The reversal of 8408385 is 5838048.

It is not a de Polignac number, because 8408385 - 2³ = 8408377 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1072 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (617760).

Almost surely, 2^8408385 is an apocalyptic number.

It is an amenable number.

8408385 is a deficient number, since it is larger than the sum of its proper divisors (6417855).

8408385 is a wasteful number, since it uses less digits than its factorization.

8408385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 8408385 is about 2899.7215383550. The cubic root of 8408385 is about 203.3468876270.

The spelling of 8408385 in words is "eight million, four hundred eight thousand, three hundred eighty-five".