494734397 has 2 divisors, whose sum is σ = 494734398. Its totient is φ = 494734396.

The previous prime is 494734381. The next prime is 494734423. The reversal of 494734397 is 793437494.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339333241 + 155401156 = 18421^2 + 12466^2 .

It is a cyclic number.

It is not a de Polignac number, because 494734397 - 2⁴ = 494734381 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494734337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247367198 + 247367199.

It is an arithmetic number, because the mean of its divisors is an integer number (247367199).

Almost surely, 2^494734397 is an apocalyptic number.

It is an amenable number.

494734397 is a deficient number, since it is larger than the sum of its proper divisors (1).

494734397 is an equidigital number, since it uses as much as digits as its factorization.

494734397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 50.

The square root of 494734397 is about 22242.6256768395. The cubic root of 494734397 is about 790.9044797319.

The spelling of 494734397 in words is "four hundred ninety-four million, seven hundred thirty-four thousand, three hundred ninety-seven".