4815985 has 8 divisors (see below), whose sum is σ = 5797440. Its totient is φ = 3840624.

The previous prime is 4815973. The next prime is 4815989. The reversal of 4815985 is 5895184.

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

It is a cyclic number.

It is not a de Polignac number, because 4815985 - 2⁷ = 4815857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4815989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (724680).

Almost surely, 2^4815985 is an apocalyptic number.

It is an amenable number.

4815985 is a deficient number, since it is larger than the sum of its proper divisors (981455).

4815985 is a wasteful number, since it uses less digits than its factorization.

4815985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its digits is 57600, while the sum is 40.

The square root of 4815985 is about 2194.5352583178. The cubic root of 4815985 is about 168.8735793454.

The spelling of 4815985 in words is "four million, eight hundred fifteen thousand, nine hundred eighty-five".