3480320 has 36 divisors (see below), whose sum is σ = 8339520. Its totient is φ = 1391616.

The previous prime is 3480299. The next prime is 3480329. The reversal of 3480320 is 230843.

It is a super-2 number, since 2×3480320² = 24225254604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3480292 and 3480301.

It is not an unprimeable number, because it can be changed into a prime (3480329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 2639.

Almost surely, 2^3480320 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 3480320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4169760).

3480320 is an abundant number, since it is smaller than the sum of its proper divisors (4859200).

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

3480320 is an equidigital number, since it uses as much as digits as its factorization.

3480320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3480320 is about 1865.5615776489. The cubic root of 3480320 is about 151.5443417861.

The spelling of 3480320 in words is "three million, four hundred eighty thousand, three hundred twenty".