19993932 has 96 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 5593536.

The previous prime is 19993927. The next prime is 19993943. The reversal of 19993932 is 23939991.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39819 + ... + 40317.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^19993932 is an apocalyptic number.

19993932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19993932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30240000).

19993932 is an abundant number, since it is smaller than the sum of its proper divisors (40486068).

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

19993932 is a wasteful number, since it uses less digits than its factorization.

19993932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 564 counting only the distinct ones).

The product of its digits is 118098, while the sum is 45.

The square root of 19993932 is about 4471.4574805090. The cubic root of 19993932 is about 271.4143070726.

The spelling of 19993932 in words is "nineteen million, nine hundred ninety-three thousand, nine hundred thirty-two".