195839000 has 128 divisors (see below), whose sum is σ = 530824320. Its totient is φ = 66240000.

The previous prime is 195838991. The next prime is 195839003. The reversal of 195839000 is 938591.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195839003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 706862 + ... + 707138.

It is an arithmetic number, because the mean of its divisors is an integer number (4147065).

Almost surely, 2^195839000 is an apocalyptic number.

195839000 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 195839000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265412160).

195839000 is an abundant number, since it is smaller than the sum of its proper divisors (334985320).

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

195839000 is a wasteful number, since it uses less digits than its factorization.

195839000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 195839000 is about 13994.2488187112. The cubic root of 195839000 is about 580.7194797015.

The spelling of 195839000 in words is "one hundred ninety-five million, eight hundred thirty-nine thousand".