407432 has 8 divisors (see below), whose sum is σ = 763950. Its totient is φ = 203712.

The previous prime is 407401. The next prime is 407437. The reversal of 407432 is 234704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 401956 + 5476 = 634^2 + 74^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (407437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25457 + ... + 25472.

2⁴⁰⁷⁴³² is an apocalyptic number.

It is an amenable number.

407432 is a deficient number, since it is larger than the sum of its proper divisors (356518).

407432 is a wasteful number, since it uses less digits than its factorization.

407432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50935 (or 50931 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 407432 is about 638.3040028074. The cubic root of 407432 is about 74.1341612948.

The spelling of 407432 in words is "four hundred seven thousand, four hundred thirty-two".