403722 has 24 divisors (see below), whose sum is σ = 954720. Its totient is φ = 122280.

The previous prime is 403721. The next prime is 403729. The reversal of 403722 is 227304.

It is a happy number.

403722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 403695 and 403704.

It is not an unprimeable number, because it can be changed into a prime (403721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (39780).

2⁴⁰³⁷²² is an apocalyptic number.

403722 is an abundant number, since it is smaller than the sum of its proper divisors (550998).

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

403722 is a wasteful number, since it uses less digits than its factorization.

403722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 403722 is about 635.3912180696. The cubic root of 403722 is about 73.9084575360.

The spelling of 403722 in words is "four hundred three thousand, seven hundred twenty-two", and thus it is an iban number.