4485691 has 16 divisors (see below), whose sum is σ = 5587200. Its totient is φ = 3513888.

The previous prime is 4485683. The next prime is 4485707. The reversal of 4485691 is 1965844.

It is a happy number.

It is not a de Polignac number, because 4485691 - 2³ = 4485683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4485691.

It is not an unprimeable number, because it can be changed into a prime (4485601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (349200).

Almost surely, 2^4485691 is an apocalyptic number.

4485691 is a deficient number, since it is larger than the sum of its proper divisors (1101509).

4485691 is a wasteful number, since it uses less digits than its factorization.

4485691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218.

The product of its digits is 34560, while the sum is 37.

The square root of 4485691 is about 2117.9449945643. The cubic root of 4485691 is about 164.9211867252.

The spelling of 4485691 in words is "four million, four hundred eighty-five thousand, six hundred ninety-one".