39542 has 8 divisors (see below), whose sum is σ = 62856. Its totient is φ = 18592.

The previous prime is 39541. The next prime is 39551. The reversal of 39542 is 24593.

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

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39541) 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, 548 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (7857).

2³⁹⁵⁴² is an apocalyptic number.

39542 is a deficient number, since it is larger than the sum of its proper divisors (23314).

39542 is a wasteful number, since it uses less digits than its factorization.

39542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its digits is 1080, while the sum is 23.

The square root of 39542 is about 198.8517035381. The cubic root of 39542 is about 34.0684893937.

The spelling of 39542 in words is "thirty-nine thousand, five hundred forty-two".