401444 has 6 divisors (see below), whose sum is σ = 702534. Its totient is φ = 200720.

The previous prime is 401417. The next prime is 401473. The reversal of 401444 is 444104.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 131044 = 520^2 + 362^2 .

It is a super-2 number, since 2×401444² = 322314570272, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50177 + ... + 50184.

It is an arithmetic number, because the mean of its divisors is an integer number (117089).

2⁴⁰¹⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

401444 is a deficient number, since it is larger than the sum of its proper divisors (301090).

401444 is a wasteful number, since it uses less digits than its factorization.

401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100365 (or 100363 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 401444 is about 633.5960858465. The cubic root of 401444 is about 73.7691858540.

Adding to 401444 its reverse (444104), we get a palindrome (845548).

The spelling of 401444 in words is "four hundred one thousand, four hundred forty-four", and thus it is an iban number.