493630557 has 12 divisors (see below), whose sum is σ = 765631296. Its totient is φ = 282074520.

The previous prime is 493630541. The next prime is 493630567. The reversal of 493630557 is 755036394.

It is not a de Polignac number, because 493630557 - 2⁴ = 493630541 is a prime.

It is a super-2 number, since 2×493630557² = 487342253608260498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493630517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1678869 + ... + 1679162.

It is an arithmetic number, because the mean of its divisors is an integer number (63802608).

Almost surely, 2^493630557 is an apocalyptic number.

It is an amenable number.

493630557 is a deficient number, since it is larger than the sum of its proper divisors (272000739).

493630557 is a wasteful number, since it uses less digits than its factorization.

493630557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358048 (or 3358041 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 493630557 is about 22217.7982032424. The cubic root of 493630557 is about 790.3158257601.

The spelling of 493630557 in words is "four hundred ninety-three million, six hundred thirty thousand, five hundred fifty-seven".