192648820 has 96 divisors (see below), whose sum is σ = 501935616. Its totient is φ = 60480000.

The previous prime is 192648803. The next prime is 192648829. The reversal of 192648820 is 28846291.

It is a super-2 number, since 2×192648820² = 74227135694784800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192648829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274470 + ... + 275170.

It is an arithmetic number, because the mean of its divisors is an integer number (5228496).

Almost surely, 2^192648820 is an apocalyptic number.

192648820 is a gapful number since it is divisible by the number (10) 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 192648820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250967808).

192648820 is an abundant number, since it is smaller than the sum of its proper divisors (309286796).

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

192648820 is a wasteful number, since it uses less digits than its factorization.

192648820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 192648820 is about 13879.7989898990. The cubic root of 192648820 is about 577.5489310938.

The spelling of 192648820 in words is "one hundred ninety-two million, six hundred forty-eight thousand, eight hundred twenty".