942947 has 4 divisors (see below), whose sum is σ = 964920. Its totient is φ = 920976.

The previous prime is 942943. The next prime is 942979. The reversal of 942947 is 749249.

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 942947 - 2² = 942943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (942943) 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, 10922 + ... + 11007.

It is an arithmetic number, because the mean of its divisors is an integer number (241230).

2⁹⁴²⁹⁴⁷ is an apocalyptic number.

942947 is a deficient number, since it is larger than the sum of its proper divisors (21973).

942947 is a wasteful number, since it uses less digits than its factorization.

942947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21972.

The product of its digits is 18144, while the sum is 35.

The square root of 942947 is about 971.0545813702. The cubic root of 942947 is about 98.0608742991.

The spelling of 942947 in words is "nine hundred forty-two thousand, nine hundred forty-seven".