4985605 has 4 divisors (see below), whose sum is σ = 5982732. Its totient is φ = 3988480.

The previous prime is 4985599. The next prime is 4985609. The reversal of 4985605 is 5065894.

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 3261636 + 1723969 = 1806^2 + 1313^2 .

It is not a de Polignac number, because 4985605 - 2³ = 4985597 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498556 + ... + 498565.

It is an arithmetic number, because the mean of its divisors is an integer number (1495683).

Almost surely, 2^4985605 is an apocalyptic number.

It is an amenable number.

4985605 is a deficient number, since it is larger than the sum of its proper divisors (997127).

4985605 is an equidigital number, since it uses as much as digits as its factorization.

4985605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997126.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 4985605 is about 2232.8468375596. The cubic root of 4985605 is about 170.8333362417.

The spelling of 4985605 in words is "four million, nine hundred eighty-five thousand, six hundred five".