403230720 has 104 divisors (see below), whose sum is σ = 1290377376. Its totient is φ = 107511808.

The previous prime is 403230713. The next prime is 403230739. The reversal of 403230720 is 27032304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58159 + ... + 64721.

Almost surely, 2^403230720 is an apocalyptic number.

403230720 is a gapful number since it is divisible by the number (40) 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 403230720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645188688).

403230720 is an abundant number, since it is smaller than the sum of its proper divisors (887146656).

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

403230720 is an equidigital number, since it uses as much as digits as its factorization.

403230720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 403230720 is about 20080.6055685579. The cubic root of 403230720 is about 738.7846620112.

The spelling of 403230720 in words is "four hundred three million, two hundred thirty thousand, seven hundred twenty".