4709985 has 32 divisors (see below), whose sum is σ = 8896512. Its totient is φ = 2082240.

The previous prime is 4709981. The next prime is 4709987. The reversal of 4709985 is 5899074.

It is not a de Polignac number, because 4709985 - 2² = 4709981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4709981) 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 31 ways as a sum of consecutive naturals, for example, 2532 + ... + 3978.

It is an arithmetic number, because the mean of its divisors is an integer number (278016).

Almost surely, 2^4709985 is an apocalyptic number.

It is an amenable number.

4709985 is a deficient number, since it is larger than the sum of its proper divisors (4186527).

4709985 is a wasteful number, since it uses less digits than its factorization.

4709985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 4709985 is about 2170.2499856007. The cubic root of 4709985 is about 167.6254054557.

The spelling of 4709985 in words is "four million, seven hundred nine thousand, nine hundred eighty-five".