493943194 has 20 divisors (see below), whose sum is σ = 787487634. Its totient is φ = 232365248.

The previous prime is 493943189. The next prime is 493943213. The reversal of 493943194 is 491349394.

493943194 = T₁₈₁₄₅ + T₁₈₁₄₆ + T₁₈₁₄₇.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 260984025 + 232959169 = 16155^2 + 15263^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 165564 + ... + 168520.

Almost surely, 2^493943194 is an apocalyptic number.

493943194 is the 18147-th centered triangular number.

493943194 is a deficient number, since it is larger than the sum of its proper divisors (293544440).

493943194 is an frugal number, since it uses more digits than its factorization.

493943194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 2976 counting only the distinct ones).

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

The square root of 493943194 is about 22224.8328227683. The cubic root of 493943194 is about 790.4826373032.

The spelling of 493943194 in words is "four hundred ninety-three million, nine hundred forty-three thousand, one hundred ninety-four".