93947 has 4 divisors (see below), whose sum is σ = 107376. Its totient is φ = 80520.

The previous prime is 93941. The next prime is 93949. The reversal of 93947 is 74939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74939 = 137 ⋅547.

It is a cyclic number.

It is not a de Polignac number, because 93947 - 2¹⁴ = 77563 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 93947.

It is not an unprimeable number, because it can be changed into a prime (93941) 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, 6704 + ... + 6717.

It is an arithmetic number, because the mean of its divisors is an integer number (26844).

2⁹³⁹⁴⁷ is an apocalyptic number.

93947 is a deficient number, since it is larger than the sum of its proper divisors (13429).

93947 is a wasteful number, since it uses less digits than its factorization.

93947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428.

The product of its digits is 6804, while the sum is 32.

The square root of 93947 is about 306.5077486786. The cubic root of 93947 is about 45.4598123594.

The spelling of 93947 in words is "ninety-three thousand, nine hundred forty-seven".