2315730 has 16 divisors (see below), whose sum is σ = 5557824. Its totient is φ = 617520.

The previous prime is 2315707. The next prime is 2315759. The reversal of 2315730 is 375132.

It is a happy number.

2315730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2315697 and 2315706.

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 7 ways as a sum of consecutive naturals, for example, 38566 + ... + 38625.

It is an arithmetic number, because the mean of its divisors is an integer number (347364).

2^2315730 is an apocalyptic number.

2315730 is an abundant number, since it is smaller than the sum of its proper divisors (3242094).

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

2315730 is a wasteful number, since it uses less digits than its factorization.

2315730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77201.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 2315730 is about 1521.7522794463. The cubic root of 2315730 is about 132.3008518915.

It can be divided in two parts, 23 and 15730, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 2315730 in words is "two million, three hundred fifteen thousand, seven hundred thirty".