191398046 has 8 divisors (see below), whose sum is σ = 328110960. Its totient is φ = 82027728.

The previous prime is 191398033. The next prime is 191398063. The reversal of 191398046 is 640893191.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 191397994 and 191398012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6835631 + ... + 6835658.

It is an arithmetic number, because the mean of its divisors is an integer number (41013870).

Almost surely, 2^191398046 is an apocalyptic number.

191398046 is a deficient number, since it is larger than the sum of its proper divisors (136712914).

191398046 is a wasteful number, since it uses less digits than its factorization.

191398046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13671298.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 191398046 is about 13834.6682649061. The cubic root of 191398046 is about 576.2963025895.

The spelling of 191398046 in words is "one hundred ninety-one million, three hundred ninety-eight thousand, forty-six".