4637985 has 16 divisors (see below), whose sum is σ = 8095680. Its totient is φ = 2248640.

The previous prime is 4637981. The next prime is 4638001. The reversal of 4637985 is 5897364.

It is a happy number.

It is not a de Polignac number, because 4637985 - 2² = 4637981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4637981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13890 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (505980).

Almost surely, 2^4637985 is an apocalyptic number.

It is an amenable number.

4637985 is a deficient number, since it is larger than the sum of its proper divisors (3457695).

4637985 is a wasteful number, since it uses less digits than its factorization.

4637985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28128.

The product of its digits is 181440, while the sum is 42.

The square root of 4637985 is about 2153.5981519309. The cubic root of 4637985 is about 166.7668708538.

It can be divided in two parts, 46379 and 85, that added together give a palindrome (46464).

The spelling of 4637985 in words is "four million, six hundred thirty-seven thousand, nine hundred eighty-five".