19831152 has 120 divisors (see below), whose sum is σ = 59246208. Its totient is φ = 5667200.

The previous prime is 19831121. The next prime is 19831153. The reversal of 19831152 is 25113891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19831153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279277 + ... + 279347.

Almost surely, 2^19831152 is an apocalyptic number.

19831152 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 19831152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29623104).

19831152 is an abundant number, since it is smaller than the sum of its proper divisors (39415056).

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

19831152 is a wasteful number, since it uses less digits than its factorization.

19831152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 110 counting only the distinct ones).

The product of its digits is 2160, while the sum is 30.

The square root of 19831152 is about 4453.2181621834. The cubic root of 19831152 is about 270.6757285692.

The spelling of 19831152 in words is "nineteen million, eight hundred thirty-one thousand, one hundred fifty-two".