494637867 has 16 divisors (see below), whose sum is σ = 752603680. Its totient is φ = 320845536.

The previous prime is 494637809. The next prime is 494637893. The reversal of 494637867 is 768736494.

It is a happy number.

It is not a de Polignac number, because 494637867 - 2¹¹ = 494635819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494637067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246568 + ... + 248565.

It is an arithmetic number, because the mean of its divisors is an integer number (47037730).

Almost surely, 2^494637867 is an apocalyptic number.

494637867 is a deficient number, since it is larger than the sum of its proper divisors (257965813).

494637867 is a wasteful number, since it uses less digits than its factorization.

494637867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495179 (or 495173 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 494637867 is about 22240.4556383182. The cubic root of 494637867 is about 790.8530373311.

The spelling of 494637867 in words is "four hundred ninety-four million, six hundred thirty-seven thousand, eight hundred sixty-seven".