191397096 has 48 divisors (see below), whose sum is σ = 565493760. Its totient is φ = 57998880.

The previous prime is 191397079. The next prime is 191397097. The reversal of 191397096 is 690793191.

It is not an unprimeable number, because it can be changed into a prime (191397097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120040 + ... + 121623.

It is an arithmetic number, because the mean of its divisors is an integer number (11781120).

Almost surely, 2^191397096 is an apocalyptic number.

It is an amenable number.

191397096 is an abundant number, since it is smaller than the sum of its proper divisors (374096664).

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

191397096 is a wasteful number, since it uses less digits than its factorization.

191397096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241686 (or 241679 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 191397096 is about 13834.6339308274. The cubic root of 191397096 is about 576.2953491099.

The spelling of 191397096 in words is "one hundred ninety-one million, three hundred ninety-seven thousand, ninety-six".