4048985 has 4 divisors (see below), whose sum is σ = 4858788. Its totient is φ = 3239184.

The previous prime is 4048973. The next prime is 4048991. The reversal of 4048985 is 5898404.

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 1401856 + 2647129 = 1184^2 + 1627^2 .

It is a cyclic number.

It is not a de Polignac number, because 4048985 - 2⁴ = 4048969 is a prime.

It is a Duffinian 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, 404894 + ... + 404903.

It is an arithmetic number, because the mean of its divisors is an integer number (1214697).

Almost surely, 2^4048985 is an apocalyptic number.

It is an amenable number.

4048985 is a deficient number, since it is larger than the sum of its proper divisors (809803).

4048985 is an equidigital number, since it uses as much as digits as its factorization.

4048985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809802.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 4048985 is about 2012.2089851703. The cubic root of 4048985 is about 159.3854682346.

The spelling of 4048985 in words is "four million, forty-eight thousand, nine hundred eighty-five".