401172 has 24 divisors (see below), whose sum is σ = 948192. Its totient is φ = 132000.

The previous prime is 401161. The next prime is 401173. The reversal of 401172 is 271104.

401172 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (39508).

2⁴⁰¹¹⁷² is an apocalyptic number.

It is an amenable number.

401172 is an abundant number, since it is smaller than the sum of its proper divisors (547020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401172 is a wasteful number, since it uses less digits than its factorization.

401172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 401172 is about 633.3814016846. The cubic root of 401172 is about 73.7525212199.

Adding to 401172 its reverse (271104), we get a palindrome (672276).

The spelling of 401172 in words is "four hundred one thousand, one hundred seventy-two", and thus it is an iban number.