494892687 has 8 divisors (see below), whose sum is σ = 660633904. Its totient is φ = 329539968.

The previous prime is 494892667. The next prime is 494892691. The reversal of 494892687 is 786298494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-494892687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494892667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94138 + ... + 99255.

It is an arithmetic number, because the mean of its divisors is an integer number (82579238).

Almost surely, 2^494892687 is an apocalyptic number.

494892687 is a deficient number, since it is larger than the sum of its proper divisors (165741217).

494892687 is a wasteful number, since it uses less digits than its factorization.

494892687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194249.

The product of its digits is 6967296, while the sum is 57.

The square root of 494892687 is about 22246.1836502354. The cubic root of 494892687 is about 790.9888205563.

The spelling of 494892687 in words is "four hundred ninety-four million, eight hundred ninety-two thousand, six hundred eighty-seven".