97669 has 8 divisors (see below), whose sum is σ = 114912. Its totient is φ = 81840.

The previous prime is 97651. The next prime is 97673. The reversal of 97669 is 96679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97669 - 2⁹ = 97157 is a prime.

It is a super-2 number, since 2×97669² = 19078467122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199 + ... + 484.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2⁹⁷⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

97669 is a deficient number, since it is larger than the sum of its proper divisors (17243).

97669 is a wasteful number, since it uses less digits than its factorization.

97669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 20412, while the sum is 37.

The square root of 97669 is about 312.5203993342. The cubic root of 97669 is about 46.0523977589.

Subtracting from 97669 its reverse (96679), we obtain a triangular number (990 = T₄₄).

The spelling of 97669 in words is "ninety-seven thousand, six hundred sixty-nine".