493720787 has 8 divisors (see below), whose sum is σ = 582454272. Its totient is φ = 409537800.

The previous prime is 493720781. The next prime is 493720793. The reversal of 493720787 is 787027394.

It is an interprime number because it is at equal distance from previous prime (493720781) and next prime (493720793).

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

It is not a de Polignac number, because 493720787 - 2⁸ = 493720531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493720781) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1137389 + ... + 1137822.

It is an arithmetic number, because the mean of its divisors is an integer number (72806784).

Almost surely, 2^493720787 is an apocalyptic number.

493720787 is a deficient number, since it is larger than the sum of its proper divisors (88733485).

493720787 is a wasteful number, since it uses less digits than its factorization.

493720787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275249.

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 493720787 is about 22219.8286897087. The cubic root of 493720787 is about 790.3639763804.

The spelling of 493720787 in words is "four hundred ninety-three million, seven hundred twenty thousand, seven hundred eighty-seven".