8672385 has 16 divisors (see below), whose sum is σ = 13939200. Its totient is φ = 4604160.

The previous prime is 8672381. The next prime is 8672387. The reversal of 8672385 is 5832768.

It is not a de Polignac number, because 8672385 - 2² = 8672381 is a prime.

It is a super-3 number, since 3×8672385³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8672381) 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, 2416 + ... + 4814.

It is an arithmetic number, because the mean of its divisors is an integer number (871200).

Almost surely, 2^8672385 is an apocalyptic number.

It is an amenable number.

8672385 is a deficient number, since it is larger than the sum of its proper divisors (5266815).

8672385 is a wasteful number, since it uses less digits than its factorization.

8672385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its digits is 80640, while the sum is 39.

The square root of 8672385 is about 2944.8913392518. The cubic root of 8672385 is about 205.4531715866.

The spelling of 8672385 in words is "eight million, six hundred seventy-two thousand, three hundred eighty-five".