39675 has 18 divisors (see below), whose sum is σ = 68572. Its totient is φ = 20240.

The previous prime is 39671. The next prime is 39679. The reversal of 39675 is 57693.

39675 = 30² + 31² + ... + 52².

It is an interprime number because it is at equal distance from previous prime (39671) and next prime (39679).

It is not a de Polignac number, because 39675 - 2² = 39671 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7 and base 11.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (39671) 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 17 ways as a sum of consecutive naturals, for example, 1714 + ... + 1736.

2³⁹⁶⁷⁵ is an apocalyptic number.

39675 is a deficient number, since it is larger than the sum of its proper divisors (28897).

39675 is a wasteful number, since it uses less digits than its factorization.

39675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59 (or 31 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 39675 is about 199.1858428704. The cubic root of 39675 is about 34.1066432421.

The spelling of 39675 in words is "thirty-nine thousand, six hundred seventy-five".