403480 has 64 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 124800.

The previous prime is 403439. The next prime is 403483. The reversal of 403480 is 84304.

It is a super-2 number, since 2×403480² = 325592220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403483) by changing a digit.

403480 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 15 ways as a sum of consecutive naturals, for example, 3015 + ... + 3145.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2⁴⁰³⁴⁸⁰ is an apocalyptic number.

403480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570240).

403480 is an abundant number, since it is smaller than the sum of its proper divisors (737000).

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

403480 is a wasteful number, since it uses less digits than its factorization.

403480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 403480 is about 635.2007556671. The cubic root of 403480 is about 73.8936871234.

Adding to 403480 its reverse (84304), we get a palindrome (487784).

It can be divided in two parts, 4034 and 80, that added together give a palindrome (4114).

The spelling of 403480 in words is "four hundred three thousand, four hundred eighty".