493826157 has 12 divisors (see below), whose sum is σ = 778150464. Its totient is φ = 299288520.

The previous prime is 493826153. The next prime is 493826167. The reversal of 493826157 is 751628394.

493826157 is a `hidden beast` number, since 493 + 8 + 2 + 6 + 157 = 666.

It is not a de Polignac number, because 493826157 - 2² = 493826153 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493826153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2493973 + ... + 2494170.

It is an arithmetic number, because the mean of its divisors is an integer number (64845872).

Almost surely, 2^493826157 is an apocalyptic number.

It is an amenable number.

493826157 is a deficient number, since it is larger than the sum of its proper divisors (284324307).

493826157 is a wasteful number, since it uses less digits than its factorization.

493826157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988160 (or 4988157 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 493826157 is about 22222.1996435996. The cubic root of 493826157 is about 790.4201989327.

The spelling of 493826157 in words is "four hundred ninety-three million, eight hundred twenty-six thousand, one hundred fifty-seven".