Search a number
39486 = 236581

39486 has 8 divisors (see below), whose sum is σ = 78984. Its totient is φ = 13160.

The previous prime is 39461. The next prime is 39499. The reversal of 39486 is 68493.

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

39486 is an admirable number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 39486.

It is an unprimeable number.

39486 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (9873).

239486 is an apocalyptic number.

39486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39492).

39486 is a wasteful number, since it uses less digits than its factorization.

39486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586.

The product of its digits is 5184, while the sum is 30.

The square root of 39486 is about 198.7108451998. The cubic root of 39486 is about 34.0523990193.

It can be divided in two parts, 39 and 486, that added together give a palindrome (525).

The spelling of 39486 in words is "thirty-nine thousand, four hundred eighty-six".

Divisors: 1 2 3 6 6581 13162 19743 39486