493611867 has 16 divisors (see below), whose sum is σ = 835745280. Its totient is φ = 282063816.

The previous prime is 493611821. The next prime is 493611869. The reversal of 493611867 is 768116394.

It is a happy number.

It is not a de Polignac number, because 493611867 - 2¹¹ = 493609819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493611869) 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, 1305663 + ... + 1306040.

It is an arithmetic number, because the mean of its divisors is an integer number (52234080).

Almost surely, 2^493611867 is an apocalyptic number.

493611867 is a deficient number, since it is larger than the sum of its proper divisors (342133413).

493611867 is a wasteful number, since it uses less digits than its factorization.

493611867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2611719 (or 2611713 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 493611867 is about 22217.3775905258. The cubic root of 493611867 is about 790.3058512363.

The spelling of 493611867 in words is "four hundred ninety-three million, six hundred eleven thousand, eight hundred sixty-seven".