2338405 has 4 divisors (see below), whose sum is σ = 2806092. Its totient is φ = 1870720.

The previous prime is 2338403. The next prime is 2338411. The reversal of 2338405 is 5048332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1079521 + 1258884 = 1039^2 + 1122^2 .

It is not a de Polignac number, because 2338405 - 2¹ = 2338403 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 2338405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2338403) 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, 233836 + ... + 233845.

It is an arithmetic number, because the mean of its divisors is an integer number (701523).

2^2338405 is an apocalyptic number.

It is an amenable number.

2338405 is a deficient number, since it is larger than the sum of its proper divisors (467687).

2338405 is an equidigital number, since it uses as much as digits as its factorization.

2338405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467686.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2338405 is about 1529.1844231485. The cubic root of 2338405 is about 132.7312681119.

The spelling of 2338405 in words is "two million, three hundred thirty-eight thousand, four hundred five".