4992187 has 2 divisors, whose sum is σ = 4992188. Its totient is φ = 4992186.

The previous prime is 4992181. The next prime is 4992233. The reversal of 4992187 is 7812994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4992187 - 2¹⁵ = 4959419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4992181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496093 + 2496094.

It is an arithmetic number, because the mean of its divisors is an integer number (2496094).

Almost surely, 2^4992187 is an apocalyptic number.

4992187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4992187 is an equidigital number, since it uses as much as digits as its factorization.

4992187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 4992187 is about 2234.3202545741. The cubic root of 4992187 is about 170.9084812882.

The spelling of 4992187 in words is "four million, nine hundred ninety-two thousand, one hundred eighty-seven".