493384187 has 2 divisors, whose sum is σ = 493384188. Its totient is φ = 493384186.

The previous prime is 493384139. The next prime is 493384219. The reversal of 493384187 is 781483394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493384187 - 2¹² = 493380091 is a prime.

It is not a weakly prime, because it can be changed into another prime (493384687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246692093 + 246692094.

It is an arithmetic number, because the mean of its divisors is an integer number (246692094).

Almost surely, 2^493384187 is an apocalyptic number.

493384187 is a deficient number, since it is larger than the sum of its proper divisors (1).

493384187 is an equidigital number, since it uses as much as digits as its factorization.

493384187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 493384187 is about 22212.2530824768. The cubic root of 493384187 is about 790.1843222100.

The spelling of 493384187 in words is "four hundred ninety-three million, three hundred eighty-four thousand, one hundred eighty-seven".