93669 has 4 divisors (see below), whose sum is σ = 124896. Its totient is φ = 62444.

The previous prime is 93637. The next prime is 93683. The reversal of 93669 is 96639.

93669 is nontrivially palindromic in base 4.

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: 96639 = 3 ⋅32213.

It is a cyclic number.

It is not a de Polignac number, because 93669 - 2⁵ = 93637 is a prime.

It is a super-2 number, since 2×93669² = 17547763122, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

93669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15609 + ... + 15614.

It is an arithmetic number, because the mean of its divisors is an integer number (31224).

2⁹³⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

93669 is a deficient number, since it is larger than the sum of its proper divisors (31227).

93669 is a wasteful number, since it uses less digits than its factorization.

93669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31226.

The product of its digits is 8748, while the sum is 33.

The square root of 93669 is about 306.0539168186. The cubic root of 93669 is about 45.4149277827.

Subtracting from 93669 its sum of digits (33), we obtain a square (93636 = 306²).

The spelling of 93669 in words is "ninety-three thousand, six hundred sixty-nine".