1995923808 has 192 divisors, whose sum is σ = 6206699520. Its totient is φ = 622550016.

The previous prime is 1995923807. The next prime is 1995923827. The reversal of 1995923808 is 8083295991.

1995923808 is a `hidden beast` number, since 19 + 9 + 592 + 38 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995923807) 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, 932916 + ... + 935052.

It is an arithmetic number, because the mean of its divisors is an integer number (32326560).

Almost surely, 2^1995923808 is an apocalyptic number.

1995923808 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 1995923808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3103349760).

1995923808 is an abundant number, since it is smaller than the sum of its proper divisors (4210775712).

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

1995923808 is a wasteful number, since it uses less digits than its factorization.

1995923808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 1995923808 is about 44675.7630936507. The cubic root of 1995923808 is about 1259.0645210510.

The spelling of 1995923808 in words is "one billion, nine hundred ninety-five million, nine hundred twenty-three thousand, eight hundred eight".