190492871 has 4 divisors (see below), whose sum is σ = 201698352. Its totient is φ = 179287392.

The previous prime is 190492853. The next prime is 190492873. The reversal of 190492871 is 178294091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190492871 - 2¹⁴ = 190476487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190492873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5602715 + ... + 5602748.

It is an arithmetic number, because the mean of its divisors is an integer number (50424588).

Almost surely, 2^190492871 is an apocalyptic number.

190492871 is a deficient number, since it is larger than the sum of its proper divisors (11205481).

190492871 is a wasteful number, since it uses less digits than its factorization.

190492871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205480.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 190492871 is about 13801.9154830045. The cubic root of 190492871 is about 575.3863777401.

The spelling of 190492871 in words is "one hundred ninety million, four hundred ninety-two thousand, eight hundred seventy-one".