939948 has 48 divisors (see below), whose sum is σ = 2362080. Its totient is φ = 290304.

The previous prime is 939931. The next prime is 939971. The reversal of 939948 is 849939.

Its product of digits (69984) is a multiple of the sum of its prime divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12840 + ... + 12912.

It is an arithmetic number, because the mean of its divisors is an integer number (49210).

2⁹³⁹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 939948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181040).

939948 is an abundant number, since it is smaller than the sum of its proper divisors (1422132).

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

939948 is a wasteful number, since it uses less digits than its factorization.

939948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 144 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 939948 is about 969.5091541600. The cubic root of 939948 is about 97.9568045093.

Subtracting from 939948 its reverse (849939), we obtain a palindrome (90009).

The spelling of 939948 in words is "nine hundred thirty-nine thousand, nine hundred forty-eight".