303480 has 64 divisors (see below), whose sum is σ = 1015200. Its totient is φ = 80640.

The previous prime is 303473. The next prime is 303491. The reversal of 303480 is 84303.

It is a super-2 number, since 2×303480² = 184200220800, which contains 22 as substring.

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

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 303480.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940 + ... + 1220.

2³⁰³⁴⁸⁰ is an apocalyptic number.

303480 is a gapful number since it is divisible by the number (30) 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 303480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507600).

303480 is an abundant number, since it is smaller than the sum of its proper divisors (711720).

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

303480 is a wasteful number, since it uses less digits than its factorization.

303480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 303480 is about 550.8901886946. The cubic root of 303480 is about 67.2011479396.

Adding to 303480 its reverse (84303), we get a palindrome (387783).

The spelling of 303480 in words is "three hundred three thousand, four hundred eighty".