195836940 has 240 divisors, whose sum is σ = 701803872. Its totient is φ = 45287424.

The previous prime is 195836939. The next prime is 195836941. The reversal of 195836940 is 49638591.

It is a happy number.

195836940 is a `hidden beast` number, since 1 + 9 + 583 + 69 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (195836939) and next prime (195836941).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (195836941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 357747 + ... + 358293.

Almost surely, 2^195836940 is an apocalyptic number.

195836940 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 195836940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350901936).

195836940 is an abundant number, since it is smaller than the sum of its proper divisors (505966932).

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

195836940 is a wasteful number, since it uses less digits than its factorization.

195836940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 195836940 is about 13994.1752168536. The cubic root of 195836940 is about 580.7174435284.

The spelling of 195836940 in words is "one hundred ninety-five million, eight hundred thirty-six thousand, nine hundred forty".