4431401 has 4 divisors (see below), whose sum is σ = 4772292. Its totient is φ = 4090512.

The previous prime is 4431367. The next prime is 4431443. The reversal of 4431401 is 1041344.

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 912025 + 3519376 = 955^2 + 1876^2 .

It is a cyclic number.

It is not a de Polignac number, because 4431401 - 2¹⁸ = 4169257 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 4431401.

It is not an unprimeable number, because it can be changed into a prime (4431491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170426 + ... + 170451.

It is an arithmetic number, because the mean of its divisors is an integer number (1193073).

Almost surely, 2^4431401 is an apocalyptic number.

It is an amenable number.

4431401 is a deficient number, since it is larger than the sum of its proper divisors (340891).

4431401 is a wasteful number, since it uses less digits than its factorization.

4431401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340890.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4431401 is about 2105.0893092693. The cubic root of 4431401 is about 164.2531411882.

Adding to 4431401 its reverse (1041344), we get a palindrome (5472745).

The spelling of 4431401 in words is "four million, four hundred thirty-one thousand, four hundred one".