2305838 has 8 divisors (see below), whose sum is σ = 3517560. Its totient is φ = 1133320.

The previous prime is 2305837. The next prime is 2305883. The reversal of 2305838 is 8385032.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2305838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305837) 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, 9653 + ... + 9888.

It is an arithmetic number, because the mean of its divisors is an integer number (439695).

2^2305838 is an apocalyptic number.

2305838 is a deficient number, since it is larger than the sum of its proper divisors (1211722).

2305838 is a wasteful number, since it uses less digits than its factorization.

2305838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2305838 is about 1518.4986005920. The cubic root of 2305838 is about 132.1122018145.

The spelling of 2305838 in words is "two million, three hundred five thousand, eight hundred thirty-eight".