2306401 has 4 divisors (see below), whose sum is σ = 2349972. Its totient is φ = 2262832.

The previous prime is 2306393. The next prime is 2306413. The reversal of 2306401 is 1046032.

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 564001 + 1742400 = 751^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2306401 - 2³ = 2306393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2301401) 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, 21706 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (587493).

2^2306401 is an apocalyptic number.

2306401 is the 961-st centered pentagonal number.

It is an amenable number.

2306401 is a deficient number, since it is larger than the sum of its proper divisors (43571).

2306401 is an equidigital number, since it uses as much as digits as its factorization.

2306401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43570.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2306401 is about 1518.6839697580. The cubic root of 2306401 is about 132.1229532371.

The spelling of 2306401 in words is "two million, three hundred six thousand, four hundred one".