4388401 has 4 divisors (see below), whose sum is σ = 4460404. Its totient is φ = 4316400.

The previous prime is 4388393. The next prime is 4388407. The reversal of 4388401 is 1048834.

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 384400 + 4004001 = 620^2 + 2001^2 .

It is a cyclic number.

It is not a de Polignac number, because 4388401 - 2³ = 4388393 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 4388401.

It is not an unprimeable number, because it can be changed into a prime (4388407) 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, 35910 + ... + 36031.

It is an arithmetic number, because the mean of its divisors is an integer number (1115101).

Almost surely, 2^4388401 is an apocalyptic number.

It is an amenable number.

4388401 is a deficient number, since it is larger than the sum of its proper divisors (72003).

4388401 is an equidigital number, since it uses as much as digits as its factorization.

4388401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72002.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 4388401 is about 2094.8510686920. The cubic root of 4388401 is about 163.7201379029.

The spelling of 4388401 in words is "four million, three hundred eighty-eight thousand, four hundred one".