493675438 has 4 divisors (see below), whose sum is σ = 740513160. Its totient is φ = 246837718.

The previous prime is 493675411. The next prime is 493675447. The reversal of 493675438 is 834576394.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834576394 = 2 ⋅417288197.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 493675391 and 493675400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123418858 + ... + 123418861.

It is an arithmetic number, because the mean of its divisors is an integer number (185128290).

Almost surely, 2^493675438 is an apocalyptic number.

493675438 is a deficient number, since it is larger than the sum of its proper divisors (246837722).

493675438 is a wasteful number, since it uses less digits than its factorization.

493675438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246837721.

The product of its digits is 2177280, while the sum is 49.

The square root of 493675438 is about 22218.8082038619. The cubic root of 493675438 is about 790.3397769311.

The spelling of 493675438 in words is "four hundred ninety-three million, six hundred seventy-five thousand, four hundred thirty-eight".