93987 has 12 divisors (see below), whose sum is σ = 141640. Its totient is φ = 61596.

The previous prime is 93983. The next prime is 93997. The reversal of 93987 is 78939.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 93987 - 2² = 93983 is a prime.

It is a Duffinian number.

93987 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 93987.

It is not an unprimeable number, because it can be changed into a prime (93983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1564 + ... + 1622.

2⁹³⁹⁸⁷ is an apocalyptic number.

93987 is a deficient number, since it is larger than the sum of its proper divisors (47653).

93987 is an equidigital number, since it uses as much as digits as its factorization.

93987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 62 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 93987 is about 306.5729929397. The cubic root of 93987 is about 45.4662632820.

The spelling of 93987 in words is "ninety-three thousand, nine hundred eighty-seven".