401332 has 6 divisors (see below), whose sum is σ = 702338. Its totient is φ = 200664.

The previous prime is 401329. The next prime is 401341. The reversal of 401332 is 233104.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 24336 = 614^2 + 156^2 .

It is a super-2 number, since 2×401332² = 322134748448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50163 + ... + 50170.

2⁴⁰¹³³² is an apocalyptic number.

It is an amenable number.

401332 is a deficient number, since it is larger than the sum of its proper divisors (301006).

401332 is a wasteful number, since it uses less digits than its factorization.

401332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100337 (or 100335 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 401332 is about 633.5076952966. The cubic root of 401332 is about 73.7623248577.

Adding to 401332 its reverse (233104), we get a palindrome (634436).

The spelling of 401332 in words is "four hundred one thousand, three hundred thirty-two".