192914987 has 4 divisors (see below), whose sum is σ = 193027536. Its totient is φ = 192802440.

The previous prime is 192914977. The next prime is 192914993. The reversal of 192914987 is 789419291.

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 192914987 - 2¹² = 192910891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192914927) 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, 53663 + ... + 57144.

It is an arithmetic number, because the mean of its divisors is an integer number (48256884).

Almost surely, 2^192914987 is an apocalyptic number.

192914987 is a deficient number, since it is larger than the sum of its proper divisors (112549).

192914987 is a wasteful number, since it uses less digits than its factorization.

192914987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112548.

The product of its digits is 326592, while the sum is 50.

The square root of 192914987 is about 13889.3839676207. The cubic root of 192914987 is about 577.8147926141.

The spelling of 192914987 in words is "one hundred ninety-two million, nine hundred fourteen thousand, nine hundred eighty-seven".