39697 has 8 divisors (see below), whose sum is σ = 46656. Its totient is φ = 33072.

The previous prime is 39679. The next prime is 39703. The reversal of 39697 is 79693.

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

It is not a de Polignac number, because 39697 - 2⁷ = 39569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318 + ... + 424.

It is an arithmetic number, because the mean of its divisors is an integer number (5832).

2³⁹⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

39697 is a deficient number, since it is larger than the sum of its proper divisors (6959).

39697 is a wasteful number, since it uses less digits than its factorization.

39697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167.

The product of its digits is 10206, while the sum is 34.

The square root of 39697 is about 199.2410600253. The cubic root of 39697 is about 34.1129461827.

The spelling of 39697 in words is "thirty-nine thousand, six hundred ninety-seven".