403432 has 16 divisors (see below), whose sum is σ = 763200. Its totient is φ = 199920.

The previous prime is 403391. The next prime is 403433. The reversal of 403432 is 234304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403433) by changing a digit.

403432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569 + ... + 1807.

It is an arithmetic number, because the mean of its divisors is an integer number (47700).

2⁴⁰³⁴³² is an apocalyptic number.

It is an amenable number.

403432 is a deficient number, since it is larger than the sum of its proper divisors (359768).

403432 is a wasteful number, since it uses less digits than its factorization.

403432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 403432 is about 635.1629712129. The cubic root of 403432 is about 73.8907567529.

Adding to 403432 its reverse (234304), we get a palindrome (637736).

The spelling of 403432 in words is "four hundred three thousand, four hundred thirty-two".