19793892 has 48 divisors (see below), whose sum is σ = 49875840. Its totient is φ = 6091008.

The previous prime is 19793881. The next prime is 19793911. The reversal of 19793892 is 29839791.

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, 6768 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (1039080).

Almost surely, 2^19793892 is an apocalyptic number.

19793892 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 19793892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24937920).

19793892 is an abundant number, since it is smaller than the sum of its proper divisors (30081948).

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

19793892 is a wasteful number, since it uses less digits than its factorization.

19793892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2530 counting only the distinct ones).

The product of its digits is 244944, while the sum is 48.

The square root of 19793892 is about 4449.0327038582. The cubic root of 19793892 is about 270.5061014998.

The spelling of 19793892 in words is "nineteen million, seven hundred ninety-three thousand, eight hundred ninety-two".