3230720 has 44 divisors (see below), whose sum is σ = 7762224. Its totient is φ = 1290240.

The previous prime is 3230707. The next prime is 3230723. The reversal of 3230720 is 270323.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3230723) 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, 4805 + ... + 5435.

Almost surely, 2^3230720 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 3230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881112).

3230720 is an abundant number, since it is smaller than the sum of its proper divisors (4531504).

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

3230720 is an equidigital number, since it uses as much as digits as its factorization.

3230720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 3230720 is about 1797.4203737579. The cubic root of 3230720 is about 147.8313149949.

The spelling of 3230720 in words is "three million, two hundred thirty thousand, seven hundred twenty".