494284187 has 2 divisors, whose sum is σ = 494284188. Its totient is φ = 494284186.

The previous prime is 494284117. The next prime is 494284211. The reversal of 494284187 is 781482494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494284187 - 2¹² = 494280091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494284117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247142093 + 247142094.

It is an arithmetic number, because the mean of its divisors is an integer number (247142094).

Almost surely, 2^494284187 is an apocalyptic number.

494284187 is a deficient number, since it is larger than the sum of its proper divisors (1).

494284187 is an equidigital number, since it uses as much as digits as its factorization.

494284187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 47.

The square root of 494284187 is about 22232.5029405148. The cubic root of 494284187 is about 790.6644983251.

The spelling of 494284187 in words is "four hundred ninety-four million, two hundred eighty-four thousand, one hundred eighty-seven".