494939399 has 2 divisors, whose sum is σ = 494939400. Its totient is φ = 494939398.

The previous prime is 494939383. The next prime is 494939443. The reversal of 494939399 is 993939494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 494939399 - 2⁴ = 494939383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494939099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247469699 + 247469700.

It is an arithmetic number, because the mean of its divisors is an integer number (247469700).

Almost surely, 2^494939399 is an apocalyptic number.

494939399 is a deficient number, since it is larger than the sum of its proper divisors (1).

494939399 is an equidigital number, since it uses as much as digits as its factorization.

494939399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8503056, while the sum is 59.

The square root of 494939399 is about 22247.2335134057. The cubic root of 494939399 is about 791.0137064277.

The spelling of 494939399 in words is "four hundred ninety-four million, nine hundred thirty-nine thousand, three hundred ninety-nine".