493408078 has 4 divisors (see below), whose sum is σ = 740112120. Its totient is φ = 246704038.

The previous prime is 493408067. The next prime is 493408099. The reversal of 493408078 is 870804394.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 123352018 + ... + 123352021.

It is an arithmetic number, because the mean of its divisors is an integer number (185028030).

Almost surely, 2^493408078 is an apocalyptic number.

493408078 is a deficient number, since it is larger than the sum of its proper divisors (246704042).

493408078 is a wasteful number, since it uses less digits than its factorization.

493408078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246704041.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 493408078 is about 22212.7908647248. The cubic root of 493408078 is about 790.1970762932.

The spelling of 493408078 in words is "four hundred ninety-three million, four hundred eight thousand, seventy-eight".