947339 has 4 divisors (see below), whose sum is σ = 949320. Its totient is φ = 945360.

The previous prime is 947327. The next prime is 947341. The reversal of 947339 is 933749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933749 = 47 ⋅19867.

It is a cyclic number.

It is not a de Polignac number, because 947339 - 2⁸ = 947083 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947299 and 947308.

It is not an unprimeable number, because it can be changed into a prime (947369) 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, 224 + ... + 1394.

It is an arithmetic number, because the mean of its divisors is an integer number (237330).

2⁹⁴⁷³³⁹ is an apocalyptic number.

947339 is a deficient number, since it is larger than the sum of its proper divisors (1981).

947339 is a wasteful number, since it uses less digits than its factorization.

947339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980.

The product of its digits is 20412, while the sum is 35.

The square root of 947339 is about 973.3134130382. The cubic root of 947339 is about 98.2128858171.

The spelling of 947339 in words is "nine hundred forty-seven thousand, three hundred thirty-nine".