4005079 has 8 divisors (see below), whose sum is σ = 4338432. Its totient is φ = 3675360.

The previous prime is 4005049. The next prime is 4005091. The reversal of 4005079 is 9705004.

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

It is not a de Polignac number, because 4005079 - 2⁷ = 4004951 is a prime.

It is a super-3 number, since 3×4005079³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

4005079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005019) 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, 1677 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (542304).

Almost surely, 2^4005079 is an apocalyptic number.

4005079 is a deficient number, since it is larger than the sum of its proper divisors (333353).

4005079 is a wasteful number, since it uses less digits than its factorization.

4005079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 4005079 is about 2001.2693471894. The cubic root of 4005079 is about 158.8072635296.

The spelling of 4005079 in words is "four million, five thousand, seventy-nine".