4320401 has 4 divisors (see below), whose sum is σ = 4401972. Its totient is φ = 4238832.

The previous prime is 4320383. The next prime is 4320419. The reversal of 4320401 is 1040234.

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

It is an interprime number because it is at equal distance from previous prime (4320383) and next prime (4320419).

It can be written as a sum of positive squares in 2 ways, for example, as 1254400 + 3066001 = 1120^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320401 - 2¹⁴ = 4304017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4320461) 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, 40706 + ... + 40811.

It is an arithmetic number, because the mean of its divisors is an integer number (1100493).

Almost surely, 2^4320401 is an apocalyptic number.

It is an amenable number.

4320401 is a deficient number, since it is larger than the sum of its proper divisors (81571).

4320401 is an equidigital number, since it uses as much as digits as its factorization.

4320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81570.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4320401 is about 2078.5574324517. The cubic root of 4320401 is about 162.8700961058.

Adding to 4320401 its reverse (1040234), we get a palindrome (5360635).

The spelling of 4320401 in words is "four million, three hundred twenty thousand, four hundred one".