4085679 has 8 divisors (see below), whose sum is σ = 5866672. Its totient is φ = 2514240.

The previous prime is 4085677. The next prime is 4085687. The reversal of 4085679 is 9765804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4085679 - 2¹ = 4085677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 104761 = 4085679 / (4 + 0 + 8 + 5 + 6 + 7 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52342 + ... + 52419.

It is an arithmetic number, because the mean of its divisors is an integer number (733334).

Almost surely, 2^4085679 is an apocalyptic number.

4085679 is a deficient number, since it is larger than the sum of its proper divisors (1780993).

4085679 is a wasteful number, since it uses less digits than its factorization.

4085679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104777.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 4085679 is about 2021.3062608125. The cubic root of 4085679 is about 159.8654989450.

The spelling of 4085679 in words is "four million, eighty-five thousand, six hundred seventy-nine".