942938947 has 4 divisors (see below), whose sum is σ = 948585456. Its totient is φ = 937292440.

The previous prime is 942938939. The next prime is 942938977. The reversal of 942938947 is 749839249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749839249 = 10093 ⋅74293.

It is a cyclic number.

It is not a de Polignac number, because 942938947 - 2³ = 942938939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (942938977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823004 + ... + 2823337.

It is an arithmetic number, because the mean of its divisors is an integer number (237146364).

Almost surely, 2^942938947 is an apocalyptic number.

942938947 is a deficient number, since it is larger than the sum of its proper divisors (5646509).

942938947 is a wasteful number, since it uses less digits than its factorization.

942938947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646508.

The product of its digits is 3919104, while the sum is 55.

The square root of 942938947 is about 30707.3109698651. The cubic root of 942938947 is about 980.6059514358.

The spelling of 942938947 in words is "nine hundred forty-two million, nine hundred thirty-eight thousand, nine hundred forty-seven".