403260 has 96 divisors (see below), whose sum is σ = 1354752. Its totient is φ = 88320.

The previous prime is 403253. The next prime is 403261. The reversal of 403260 is 62304.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403261) by changing a digit.

403260 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 31 ways as a sum of consecutive naturals, for example, 8557 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2⁴⁰³²⁶⁰ 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 403260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677376).

403260 is an abundant number, since it is smaller than the sum of its proper divisors (951492).

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

403260 is a wasteful number, since it uses less digits than its factorization.

403260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 403260 is about 635.0275584571. The cubic root of 403260 is about 73.8802543496.

Adding to 403260 its reverse (62304), we get a palindrome (465564).

The spelling of 403260 in words is "four hundred three thousand, two hundred sixty".