93916939 has 2 divisors, whose sum is σ = 93916940. Its totient is φ = 93916938.

The previous prime is 93916931. The next prime is 93916957. The reversal of 93916939 is 93961939.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 93916939 - 2³ = 93916931 is a prime.

It is a super-2 number, since 2×93916939² = 17640782862259442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93916892 and 93916901.

It is not a weakly prime, because it can be changed into another prime (93916931) 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 as a sum of consecutive naturals, namely, 46958469 + 46958470.

It is an arithmetic number, because the mean of its divisors is an integer number (46958470).

Almost surely, 2^93916939 is an apocalyptic number.

93916939 is a deficient number, since it is larger than the sum of its proper divisors (1).

93916939 is an equidigital number, since it uses as much as digits as its factorization.

93916939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 354294, while the sum is 49.

The square root of 93916939 is about 9691.0752241431. The cubic root of 93916939 is about 454.5496312453.

The spelling of 93916939 in words is "ninety-three million, nine hundred sixteen thousand, nine hundred thirty-nine".