493406738 has 8 divisors (see below), whose sum is σ = 807392880. Its totient is φ = 224275780.

The previous prime is 493406737. The next prime is 493406747. The reversal of 493406738 is 837604394.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (493406731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11213768 + ... + 11213811.

It is an arithmetic number, because the mean of its divisors is an integer number (100924110).

Almost surely, 2^493406738 is an apocalyptic number.

493406738 is a deficient number, since it is larger than the sum of its proper divisors (313986142).

493406738 is a wasteful number, since it uses less digits than its factorization.

493406738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22427592.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 493406738 is about 22212.7607019029. The cubic root of 493406738 is about 790.1963609522.

The spelling of 493406738 in words is "four hundred ninety-three million, four hundred six thousand, seven hundred thirty-eight".