8340480 has 132 divisors (see below), whose sum is σ = 29059212. Its totient is φ = 2211840.

The previous prime is 8340473. The next prime is 8340509. The reversal of 8340480 is 840438.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 7225344 = 1056^2 + 2688^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45990 + ... + 46170.

Almost surely, 2^8340480 is an apocalyptic number.

8340480 is a gapful number since it is divisible by the number (80) 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 8340480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14529606).

8340480 is an abundant number, since it is smaller than the sum of its proper divisors (20718732).

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

8340480 is a wasteful number, since it uses less digits than its factorization.

8340480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 8340480 is about 2887.9889196463. The cubic root of 8340480 is about 202.7980065862.

The spelling of 8340480 in words is "eight million, three hundred forty thousand, four hundred eighty".