4005485 has 16 divisors (see below), whose sum is σ = 5520960. Its totient is φ = 2759040.

The previous prime is 4005467. The next prime is 4005499. The reversal of 4005485 is 5845004.

It is not a de Polignac number, because 4005485 - 2⁸ = 4005229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (345060).

Almost surely, 2^4005485 is an apocalyptic number.

It is an amenable number.

4005485 is a deficient number, since it is larger than the sum of its proper divisors (1515475).

4005485 is a wasteful number, since it uses less digits than its factorization.

4005485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4005485 is about 2001.3707802404. The cubic root of 4005485 is about 158.8126295137.

It can be divided in two parts, 400 and 5485, that added together give a palindrome (5885).

The spelling of 4005485 in words is "four million, five thousand, four hundred eighty-five".