4085913 has 12 divisors (see below), whose sum is σ = 5899920. Its totient is φ = 2514096.

The previous prime is 4085891. The next prime is 4085923. The reversal of 4085913 is 3195804.

It is not a de Polignac number, because 4085913 - 2⁶ = 4085849 is a prime.

It is a Curzon number.

4085913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4085923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3523 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (491660).

Almost surely, 2^4085913 is an apocalyptic number.

It is an amenable number.

4085913 is a deficient number, since it is larger than the sum of its proper divisors (1814007).

4085913 is a wasteful number, since it uses less digits than its factorization.

4085913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088 (or 8075 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 4085913 is about 2021.3641433448. The cubic root of 4085913 is about 159.8685508908.

The spelling of 4085913 in words is "four million, eighty-five thousand, nine hundred thirteen".