2303439 has 4 divisors (see below), whose sum is σ = 3071256. Its totient is φ = 1535624.

The previous prime is 2303437. The next prime is 2303461. The reversal of 2303439 is 9343032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2303439 - 2¹ = 2303437 is a prime.

It is a D-number.

2303439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303437) 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, 383904 + ... + 383909.

It is an arithmetic number, because the mean of its divisors is an integer number (767814).

2^2303439 is an apocalyptic number.

2303439 is a deficient number, since it is larger than the sum of its proper divisors (767817).

2303439 is an equidigital number, since it uses as much as digits as its factorization.

2303439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767816.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 2303439 is about 1517.7084700297. The cubic root of 2303439 is about 132.0663692871.

The spelling of 2303439 in words is "two million, three hundred three thousand, four hundred thirty-nine".