191695896 has 96 divisors (see below), whose sum is σ = 615363840. Its totient is φ = 54766368.

The previous prime is 191695891. The next prime is 191695913. The reversal of 191695896 is 698596191.

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 (191695891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6565 + ... + 20651.

It is an arithmetic number, because the mean of its divisors is an integer number (6410040).

Almost surely, 2^191695896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191695896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307681920).

191695896 is an abundant number, since it is smaller than the sum of its proper divisors (423667944).

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

191695896 is a wasteful number, since it uses less digits than its factorization.

191695896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14115 (or 14099 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 191695896 is about 13845.4287040886. The cubic root of 191695896 is about 576.5950881045.

The spelling of 191695896 in words is "one hundred ninety-one million, six hundred ninety-five thousand, eight hundred ninety-six".