191396214 has 24 divisors (see below), whose sum is σ = 415598040. Its totient is φ = 63659328.

The previous prime is 191396213. The next prime is 191396221. The reversal of 191396214 is 412693191.

It is a happy number.

191396214 is a `hidden beast` number, since 19 + 13 + 9 + 621 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191396213) 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, 2979 + ... + 19790.

It is an arithmetic number, because the mean of its divisors is an integer number (17316585).

Almost surely, 2^191396214 is an apocalyptic number.

191396214 is an abundant number, since it is smaller than the sum of its proper divisors (224201826).

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

191396214 is a wasteful number, since it uses less digits than its factorization.

191396214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23244 (or 23241 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 191396214 is about 13834.6020542696. The cubic root of 191396214 is about 576.2944638766.

The spelling of 191396214 in words is "one hundred ninety-one million, three hundred ninety-six thousand, two hundred fourteen".