31989848 has 32 divisors (see below), whose sum is σ = 66033360. Its totient is φ = 14407680.

The previous prime is 31989833. The next prime is 31989851. The reversal of 31989848 is 84898913.

It is a junction number, because it is equal to n+sod(n) for n = 31989796 and 31989805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8336 + ... + 11552.

Almost surely, 2^31989848 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 31989848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33016680).

31989848 is an abundant number, since it is smaller than the sum of its proper divisors (34043512).

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

31989848 is a wasteful number, since it uses less digits than its factorization.

31989848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3343 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 31989848 is about 5655.9568598072. The cubic root of 31989848 is about 317.4466333104.

The spelling of 31989848 in words is "thirty-one million, nine hundred eighty-nine thousand, eight hundred forty-eight".