403420 has 24 divisors (see below), whose sum is σ = 885024. Its totient is φ = 154176.

The previous prime is 403391. The next prime is 403433. The reversal of 403420 is 24304.

It is a self number, because there is not a number n which added to its sum of digits gives 403420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22 + ... + 898.

It is an arithmetic number, because the mean of its divisors is an integer number (36876).

2⁴⁰³⁴²⁰ 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 403420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442512).

403420 is an abundant number, since it is smaller than the sum of its proper divisors (481604).

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

403420 is a wasteful number, since it uses less digits than its factorization.

403420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 403420 is about 635.1535247482. The cubic root of 403420 is about 73.8900241239.

Adding to 403420 its reverse (24304), we get a palindrome (427724).

The spelling of 403420 in words is "four hundred three thousand, four hundred twenty", and thus it is an iban number.