4040605 has 8 divisors (see below), whose sum is σ = 4875264. Its totient is φ = 3214800.

The previous prime is 4040593. The next prime is 4040627. The reversal of 4040605 is 5060404.

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

It is not a de Polignac number, because 4040605 - 2⁵ = 4040573 is a prime.

It is a super-3 number, since 3×4040605³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (609408).

Almost surely, 2^4040605 is an apocalyptic number.

It is an amenable number.

4040605 is a deficient number, since it is larger than the sum of its proper divisors (834659).

4040605 is a wasteful number, since it uses less digits than its factorization.

4040605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4040605 is about 2010.1256179652. The cubic root of 4040605 is about 159.2754346723.

The spelling of 4040605 in words is "four million, forty thousand, six hundred five".