195238837 has 8 divisors (see below), whose sum is σ = 203012352. Its totient is φ = 187557600.

The previous prime is 195238819. The next prime is 195238859. The reversal of 195238837 is 738832591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195238837 - 2⁷ = 195238709 is a prime.

It is a super-4 number, since 4×195238837⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195230837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18739 + ... + 27232.

It is an arithmetic number, because the mean of its divisors is an integer number (25376544).

Almost surely, 2^195238837 is an apocalyptic number.

It is an amenable number.

195238837 is a deficient number, since it is larger than the sum of its proper divisors (7773515).

195238837 is a wasteful number, since it uses less digits than its factorization.

195238837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46139.

The product of its digits is 362880, while the sum is 46.

The square root of 195238837 is about 13972.7891632272. The cubic root of 195238837 is about 580.1256535132.

The spelling of 195238837 in words is "one hundred ninety-five million, two hundred thirty-eight thousand, eight hundred thirty-seven".