2302739 has 4 divisors (see below), whose sum is σ = 2312856. Its totient is φ = 2292624.

The previous prime is 2302717. The next prime is 2302753. The reversal of 2302739 is 9372032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2302739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2302709) 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, 4709 + ... + 5174.

It is an arithmetic number, because the mean of its divisors is an integer number (578214).

2^2302739 is an apocalyptic number.

2302739 is a deficient number, since it is larger than the sum of its proper divisors (10117).

2302739 is an equidigital number, since it uses as much as digits as its factorization.

2302739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2302739 is about 1517.4778416834. The cubic root of 2302739 is about 132.0529898973.

The spelling of 2302739 in words is "two million, three hundred two thousand, seven hundred thirty-nine".