2309473 has 8 divisors (see below), whose sum is σ = 2416680. Its totient is φ = 2204160.

The previous prime is 2309471. The next prime is 2309477. The reversal of 2309473 is 3749032.

2309473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 154449 + 2155024 = 393^2 + 1468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2309473 - 2¹ = 2309471 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2309471) by changing a digit.

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, 2403 + ... + 3223.

It is an arithmetic number, because the mean of its divisors is an integer number (302085).

2^2309473 is an apocalyptic number.

It is an amenable number.

2309473 is a deficient number, since it is larger than the sum of its proper divisors (107207).

2309473 is an equidigital number, since it uses as much as digits as its factorization.

2309473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 2309473 is about 1519.6950351962. The cubic root of 2309473 is about 132.1815873951.

The spelling of 2309473 in words is "two million, three hundred nine thousand, four hundred seventy-three".