493488057 has 4 divisors (see below), whose sum is σ = 657984080. Its totient is φ = 328992036.

The previous prime is 493488043. The next prime is 493488089. The reversal of 493488057 is 750884394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 493488057 - 2⁸ = 493487801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 493487997 and 493488015.

It is not an unprimeable number, because it can be changed into a prime (493488557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82248007 + ... + 82248012.

It is an arithmetic number, because the mean of its divisors is an integer number (164496020).

Almost surely, 2^493488057 is an apocalyptic number.

It is an amenable number.

493488057 is a deficient number, since it is larger than the sum of its proper divisors (164496023).

493488057 is a wasteful number, since it uses less digits than its factorization.

493488057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164496022.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 493488057 is about 22214.5910833398. The cubic root of 493488057 is about 790.2397696609.

The spelling of 493488057 in words is "four hundred ninety-three million, four hundred eighty-eight thousand, fifty-seven".