39894 has 16 divisors (see below), whose sum is σ = 81840. Its totient is φ = 12960.

The previous prime is 39887. The next prime is 39901. The reversal of 39894 is 49893.

It is an interprime number because it is at equal distance from previous prime (39887) and next prime (39901).

It is a congruent number.

It is an unprimeable number.

39894 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 7 ways as a sum of consecutive naturals, for example, 312 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (5115).

2³⁹⁸⁹⁴ is an apocalyptic number.

39894 is an abundant number, since it is smaller than the sum of its proper divisors (41946).

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 (40920).

39894 is a wasteful number, since it uses less digits than its factorization.

39894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175.

The product of its digits is 7776, while the sum is 33.

The square root of 39894 is about 199.7348242045. The cubic root of 39894 is about 34.1692826340.

Subtracting 39894 from its reverse (49893), we obtain a palindrome (9999).

It can be divided in two parts, 3989 and 4, that added together give a palindrome (3993).

The spelling of 39894 in words is "thirty-nine thousand, eight hundred ninety-four".