8464385 has 8 divisors (see below), whose sum is σ = 10754856. Its totient is φ = 6373120.

The previous prime is 8464369. The next prime is 8464387. The reversal of 8464385 is 5834648.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3297856 + 5166529 = 1816^2 + 2273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8464385 - 2⁴ = 8464369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8464387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49706 + ... + 49875.

It is an arithmetic number, because the mean of its divisors is an integer number (1344357).

Almost surely, 2^8464385 is an apocalyptic number.

8464385 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8464385 is a deficient number, since it is larger than the sum of its proper divisors (2290471).

8464385 is a wasteful number, since it uses less digits than its factorization.

8464385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99603.

The product of its digits is 92160, while the sum is 38.

The square root of 8464385 is about 2909.3616138253. The cubic root of 8464385 is about 203.7973204856.

The spelling of 8464385 in words is "eight million, four hundred sixty-four thousand, three hundred eighty-five".