4906985 has 4 divisors (see below), whose sum is σ = 5888388. Its totient is φ = 3925584.

The previous prime is 4906973. The next prime is 4906991. The reversal of 4906985 is 5896094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 1907161 = 1732^2 + 1381^2 .

It is a cyclic number.

It is not a de Polignac number, because 4906985 - 2⁴ = 4906969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490694 + ... + 490703.

It is an arithmetic number, because the mean of its divisors is an integer number (1472097).

Almost surely, 2^4906985 is an apocalyptic number.

It is an amenable number.

4906985 is a deficient number, since it is larger than the sum of its proper divisors (981403).

4906985 is an equidigital number, since it uses as much as digits as its factorization.

4906985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981402.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4906985 is about 2215.1715509188. The cubic root of 4906985 is about 169.9305945052.

The spelling of 4906985 in words is "four million, nine hundred six thousand, nine hundred eighty-five".