192489912 has 256 divisors, whose sum is σ = 622080000. Its totient is φ = 54743040.

The previous prime is 192489877. The next prime is 192489923. The reversal of 192489912 is 219984291.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2162764 + ... + 2162852.

It is an arithmetic number, because the mean of its divisors is an integer number (2430000).

Almost surely, 2^192489912 is an apocalyptic number.

192489912 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 192489912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311040000).

192489912 is an abundant number, since it is smaller than the sum of its proper divisors (429590088).

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

192489912 is a wasteful number, since it uses less digits than its factorization.

192489912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 192489912 is about 13874.0733744636. The cubic root of 192489912 is about 577.3900887134.

The spelling of 192489912 in words is "one hundred ninety-two million, four hundred eighty-nine thousand, nine hundred twelve".