401441 has 4 divisors (see below), whose sum is σ = 408084. Its totient is φ = 394800.

The previous prime is 401417. The next prime is 401473. The reversal of 401441 is 144104.

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 46225 + 355216 = 215^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 401441 - 2¹⁰ = 400417 is a prime.

It is a super-2 number, since 2×401441² = 322309752962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3230 + ... + 3351.

It is an arithmetic number, because the mean of its divisors is an integer number (102021).

2⁴⁰¹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

401441 is a deficient number, since it is larger than the sum of its proper divisors (6643).

401441 is an equidigital number, since it uses as much as digits as its factorization.

401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401441 is about 633.5937184032. The cubic root of 401441 is about 73.7690020939.

Adding to 401441 its reverse (144104), we get a palindrome (545545).

The spelling of 401441 in words is "four hundred one thousand, four hundred forty-one", and thus it is an iban number.