93516861 has 4 divisors (see below), whose sum is σ = 124689152. Its totient is φ = 62344572.

The previous prime is 93516853. The next prime is 93516889. The reversal of 93516861 is 16861539.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16861539 = 3 ⋅5620513.

It is not a de Polignac number, because 93516861 - 2³ = 93516853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93516811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15586141 + ... + 15586146.

It is an arithmetic number, because the mean of its divisors is an integer number (31172288).

Almost surely, 2^93516861 is an apocalyptic number.

It is an amenable number.

93516861 is a deficient number, since it is larger than the sum of its proper divisors (31172291).

93516861 is a wasteful number, since it uses less digits than its factorization.

93516861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31172290.

The product of its digits is 38880, while the sum is 39.

The square root of 93516861 is about 9670.4116251585. The cubic root of 93516861 is about 453.9032652420.

The spelling of 93516861 in words is "ninety-three million, five hundred sixteen thousand, eight hundred sixty-one".