4093405 has 8 divisors (see below), whose sum is σ = 4992984. Its totient is φ = 3220800.

The previous prime is 4093403. The next prime is 4093409. The reversal of 4093405 is 5043904.

It can be written as a sum of positive squares in 4 ways, for example, as 337561 + 3755844 = 581^2 + 1938^2 .

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

It is not a de Polignac number, because 4093405 - 2¹ = 4093403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4093405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4093403) 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, 6406 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (624123).

Almost surely, 2^4093405 is an apocalyptic number.

It is an amenable number.

4093405 is a deficient number, since it is larger than the sum of its proper divisors (899579).

4093405 is a wasteful number, since it uses less digits than its factorization.

4093405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13487.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4093405 is about 2023.2164985488. The cubic root of 4093405 is about 159.9662037994.

The spelling of 4093405 in words is "four million, ninety-three thousand, four hundred five".