2303730 has 96 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 512640.

The previous prime is 2303729. The next prime is 2303753. The reversal of 2303730 is 373032.

2303730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12781 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (73710).

2^2303730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3538080).

2303730 is an abundant number, since it is smaller than the sum of its proper divisors (4772430).

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

2303730 is a wasteful number, since it uses less digits than its factorization.

2303730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 2303730 is about 1517.8043352158. The cubic root of 2303730 is about 132.0719304929.

Adding to 2303730 its reverse (373032), we get a palindrome (2676762).

The spelling of 2303730 in words is "two million, three hundred three thousand, seven hundred thirty".