340480 has 80 divisors (see below), whose sum is σ = 982080. Its totient is φ = 110592.

The previous prime is 340477. The next prime is 340481. The reversal of 340480 is 84043.

340480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17911 + ... + 17929.

It is an arithmetic number, because the mean of its divisors is an integer number (12276).

2³⁴⁰⁴⁸⁰ 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 340480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491040).

340480 is an abundant number, since it is smaller than the sum of its proper divisors (641600).

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

340480 is an equidigital number, since it uses as much as digits as its factorization.

340480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49 (or 33 counting only the distinct ones).

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

The square root of 340480 is about 583.5066409219. The cubic root of 340480 is about 69.8281498815.

It can be divided in two parts, 340 and 480, that added together give a triangular number (820 = T₄₀).

The spelling of 340480 in words is "three hundred forty thousand, four hundred eighty".