494934889 has 4 divisors (see below), whose sum is σ = 524048724. Its totient is φ = 465821056.

The previous prime is 494934877. The next prime is 494934901. The reversal of 494934889 is 988439494.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (494934877) and next prime (494934901).

It can be written as a sum of positive squares in 2 ways, for example, as 379587289 + 115347600 = 19483^2 + 10740^2 .

It is a cyclic number.

It is not a de Polignac number, because 494934889 - 2⁷ = 494934761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494934389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14556892 + ... + 14556925.

It is an arithmetic number, because the mean of its divisors is an integer number (131012181).

Almost surely, 2^494934889 is an apocalyptic number.

It is an amenable number.

494934889 is a deficient number, since it is larger than the sum of its proper divisors (29113835).

494934889 is a wasteful number, since it uses less digits than its factorization.

494934889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29113834.

The product of its digits is 8957952, while the sum is 58.

The square root of 494934889 is about 22247.1321522573. The cubic root of 494934889 is about 791.0113037883.

The spelling of 494934889 in words is "four hundred ninety-four million, nine hundred thirty-four thousand, eight hundred eighty-nine".