494294387 has 2 divisors, whose sum is σ = 494294388. Its totient is φ = 494294386.

The previous prime is 494294351. The next prime is 494294419. The reversal of 494294387 is 783492494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494294387 - 2¹⁰ = 494293363 is a prime.

It is not a weakly prime, because it can be changed into another prime (494294987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247147193 + 247147194.

It is an arithmetic number, because the mean of its divisors is an integer number (247147194).

Almost surely, 2^494294387 is an apocalyptic number.

494294387 is a deficient number, since it is larger than the sum of its proper divisors (1).

494294387 is an equidigital number, since it uses as much as digits as its factorization.

494294387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 494294387 is about 22232.7323332064. The cubic root of 494294387 is about 790.6699369794.

The spelling of 494294387 in words is "four hundred ninety-four million, two hundred ninety-four thousand, three hundred eighty-seven".