93999 has 4 divisors (see below), whose sum is σ = 125336. Its totient is φ = 62664.

The previous prime is 93997. The next prime is 94007. The reversal of 93999 is 99939.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 93999 - 2¹ = 93997 is a prime.

It is a D-number.

It is a Duffinian number.

93999 is a modest number, since divided by 999 gives 93 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93997) 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, 15664 + ... + 15669.

It is an arithmetic number, because the mean of its divisors is an integer number (31334).

2⁹³⁹⁹⁹ is an apocalyptic number.

93999 is a deficient number, since it is larger than the sum of its proper divisors (31337).

93999 is a wasteful number, since it uses less digits than its factorization.

93999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31336.

The product of its digits is 19683, while the sum is 39.

The square root of 93999 is about 306.5925635106. The cubic root of 93999 is about 45.4681982019.

The spelling of 93999 in words is "ninety-three thousand, nine hundred ninety-nine".