93140971 has 32 divisors (see below), whose sum is σ = 120347136. Its totient is φ = 69984000.

The previous prime is 93140969. The next prime is 93140987. The reversal of 93140971 is 17904139.

It is a 8-Lehmer number, since φ(93140971) divides (93140971-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 93140971 - 2¹ = 93140969 is a prime.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (93140171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 514501 + ... + 514681.

It is an arithmetic number, because the mean of its divisors is an integer number (3760848).

Almost surely, 2^93140971 is an apocalyptic number.

93140971 is a deficient number, since it is larger than the sum of its proper divisors (27206165).

93140971 is a wasteful number, since it uses less digits than its factorization.

93140971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 93140971 is about 9650.9569991789. The cubic root of 93140971 is about 453.2942955259.

The spelling of 93140971 in words is "ninety-three million, one hundred forty thousand, nine hundred seventy-one".