302947 has 4 divisors (see below), whose sum is σ = 304056. Its totient is φ = 301840.

The previous prime is 302941. The next prime is 302959. The reversal of 302947 is 749203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302941) 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 3 ways as a sum of consecutive naturals, for example, 183 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (76014).

2³⁰²⁹⁴⁷ is an apocalyptic number.

302947 is a deficient number, since it is larger than the sum of its proper divisors (1109).

302947 is an equidigital number, since it uses as much as digits as its factorization.

302947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 302947 is about 550.4062136277. The cubic root of 302947 is about 67.1617832352.

It can be divided in two parts, 30 and 2947, that multiplied together give a triangular number (88410 = T₄₂₀).

The spelling of 302947 in words is "three hundred two thousand, nine hundred forty-seven".