93844013 has 2 divisors, whose sum is σ = 93844014. Its totient is φ = 93844012.

The previous prime is 93843989. The next prime is 93844027. The reversal of 93844013 is 31044839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92582884 + 1261129 = 9622^2 + 1123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93844013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93844073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46922006 + 46922007.

It is an arithmetic number, because the mean of its divisors is an integer number (46922007).

Almost surely, 2^93844013 is an apocalyptic number.

It is an amenable number.

93844013 is a deficient number, since it is larger than the sum of its proper divisors (1).

93844013 is an equidigital number, since it uses as much as digits as its factorization.

93844013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 93844013 is about 9687.3119594653. The cubic root of 93844013 is about 454.4319489956.

The spelling of 93844013 in words is "ninety-three million, eight hundred forty-four thousand, thirteen".