19931382 has 24 divisors (see below), whose sum is σ = 44353296. Its totient is φ = 6464016.

The previous prime is 19931369. The next prime is 19931383. The reversal of 19931382 is 28313991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19931383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14298 + ... + 15629.

It is an arithmetic number, because the mean of its divisors is an integer number (1848054).

Almost surely, 2^19931382 is an apocalyptic number.

19931382 is an abundant number, since it is smaller than the sum of its proper divisors (24421914).

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

19931382 is a wasteful number, since it uses less digits than its factorization.

19931382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29972 (or 29969 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 19931382 is about 4464.4576378324. The cubic root of 19931382 is about 271.1309761166.

It can be divided in two parts, 1993 and 1382, that added together give a cube (3375 = 15³).

The spelling of 19931382 in words is "nineteen million, nine hundred thirty-one thousand, three hundred eighty-two".