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3912 = 233163

3912 has 16 divisors (see below), whose sum is σ = 9840. Its totient is φ = 1296.

The previous prime is 3911. The next prime is 3917. The reversal of 3912 is 2193.

Added to its reverse (2193) it gives a triangular number (6105 = T110).

3912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (15) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 5 and base 15.

It is a nialpdrome in base 8.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 3891 and 3900.

It is not an unprimeable number, because it can be changed into a prime (3911) 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, 58 + ... + 105.

It is an arithmetic number, because the mean of its divisors is an integer number (615).

It is an amenable number.

3912 is an abundant number, since it is smaller than the sum of its proper divisors (5928).

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 (4920).

3912 is a wasteful number, since it uses less digits than its factorization.

3912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 168 counting only the distinct ones).

The product of its digits is 54, while the sum is 15.

The square root of 3912 is about 62.5459830844. The cubic root of 3912 is about 15.7567368509.

Adding to 3912 its reverse (2193), we get a triangular number (6105 = T110).

It can be divided in two parts, 391 and 2, that added together give a palindrome (393).

The spelling of 3912 in words is "three thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 163 326 489 652 978 1304 1956 3912