401232 has 40 divisors (see below), whose sum is σ = 1117984. Its totient is φ = 123264.

The previous prime is 401231. The next prime is 401237. The reversal of 401232 is 232104.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401231) 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, 303 + ... + 945.

2⁴⁰¹²³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558992).

401232 is an abundant number, since it is smaller than the sum of its proper divisors (716752).

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

401232 is a wasteful number, since it uses less digits than its factorization.

401232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 401232 is about 633.4287647400. The cubic root of 401232 is about 73.7561978895.

Adding to 401232 its reverse (232104), we get a palindrome (633336).

The spelling of 401232 in words is "four hundred one thousand, two hundred thirty-two".