403672 has 8 divisors (see below), whose sum is σ = 756900. Its totient is φ = 201832.

The previous prime is 403661. The next prime is 403679. The reversal of 403672 is 276304.

403672 is nontrivially palindromic in base 14.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 403672.

It is not an unprimeable number, because it can be changed into a prime (403679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25222 + ... + 25237.

2⁴⁰³⁶⁷² is an apocalyptic number.

It is an amenable number.

403672 is a deficient number, since it is larger than the sum of its proper divisors (353228).

403672 is a wasteful number, since it uses less digits than its factorization.

403672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50465 (or 50461 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 403672 is about 635.3518710132. The cubic root of 403672 is about 73.9054062818.

Adding to 403672 its reverse (276304), we get a palindrome (679976).

The spelling of 403672 in words is "four hundred three thousand, six hundred seventy-two".