494026399 has 2 divisors, whose sum is σ = 494026400. Its totient is φ = 494026398.

The previous prime is 494026349. The next prime is 494026417. The reversal of 494026399 is 993620494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494026399 - 2²⁵ = 460471967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494026349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247013199 + 247013200.

It is an arithmetic number, because the mean of its divisors is an integer number (247013200).

Almost surely, 2^494026399 is an apocalyptic number.

494026399 is a deficient number, since it is larger than the sum of its proper divisors (1).

494026399 is an equidigital number, since it uses as much as digits as its factorization.

494026399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 494026399 is about 22226.7046365403. The cubic root of 494026399 is about 790.5270205547.

The spelling of 494026399 in words is "four hundred ninety-four million, twenty-six thousand, three hundred ninety-nine".