493420556 has 6 divisors (see below), whose sum is σ = 863485980. Its totient is φ = 246710276.

The previous prime is 493420547. The next prime is 493420559. The reversal of 493420556 is 655024394.

It is not an unprimeable number, because it can be changed into a prime (493420559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677566 + ... + 61677573.

It is an arithmetic number, because the mean of its divisors is an integer number (143914330).

Almost surely, 2^493420556 is an apocalyptic number.

It is an amenable number.

493420556 is a deficient number, since it is larger than the sum of its proper divisors (370065424).

493420556 is a wasteful number, since it uses less digits than its factorization.

493420556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123355143 (or 123355141 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 493420556 is about 22213.0717371551. The cubic root of 493420556 is about 790.2037374434.

The spelling of 493420556 in words is "four hundred ninety-three million, four hundred twenty thousand, five hundred fifty-six".