192071988 has 144 divisors (see below), whose sum is σ = 552988800. Its totient is φ = 55883520.

The previous prime is 192071987. The next prime is 192072037. The reversal of 192071988 is 889170291.

192071988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192071987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456018 + ... + 456438.

It is an arithmetic number, because the mean of its divisors is an integer number (3840200).

Almost surely, 2^192071988 is an apocalyptic number.

192071988 is a gapful number since it is divisible by the number (18) 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 192071988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276494400).

192071988 is an abundant number, since it is smaller than the sum of its proper divisors (360916812).

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

192071988 is a wasteful number, since it uses less digits than its factorization.

192071988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 192071988 is about 13859.0038603068. The cubic root of 192071988 is about 576.9719195736.

The spelling of 192071988 in words is "one hundred ninety-two million, seventy-one thousand, nine hundred eighty-eight".