4955985 has 24 divisors (see below), whose sum is σ = 8910720. Its totient is φ = 2642544.

The previous prime is 4955981. The next prime is 4955987. The reversal of 4955985 is 5895594.

It is not a de Polignac number, because 4955985 - 2² = 4955981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4955985.

It is not an unprimeable number, because it can be changed into a prime (4955981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 825 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (371280).

Almost surely, 2^4955985 is an apocalyptic number.

4955985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4955985 is a deficient number, since it is larger than the sum of its proper divisors (3954735).

4955985 is an equidigital number, since it uses as much as digits as its factorization.

4955985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4087 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 4955985 is about 2226.2041685344. The cubic root of 4955985 is about 170.4943511400.

The spelling of 4955985 in words is "four million, nine hundred fifty-five thousand, nine hundred eighty-five".