4085479 has 4 divisors (see below), whose sum is σ = 4090000. Its totient is φ = 4080960.

The previous prime is 4085453. The next prime is 4085489. The reversal of 4085479 is 9745804.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4085479 - 2⁵ = 4085447 is a prime.

It is a super-2 number, since 2×4085479² = 33382277318882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085489) 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, 387 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (1022500).

Almost surely, 2^4085479 is an apocalyptic number.

4085479 is a deficient number, since it is larger than the sum of its proper divisors (4521).

4085479 is a wasteful number, since it uses less digits than its factorization.

4085479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4085479 is about 2021.2567872490. The cubic root of 4085479 is about 159.8628903520.

The spelling of 4085479 in words is "four million, eighty-five thousand, four hundred seventy-nine".