493023901 has 4 divisors (see below), whose sum is σ = 498964032. Its totient is φ = 487083772.

The previous prime is 493023889. The next prime is 493023959. The reversal of 493023901 is 109320394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 109320394 = 2 ⋅54660197.

It is a cyclic number.

It is not a de Polignac number, because 493023901 - 2⁹ = 493023389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493023701) 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 3 ways as a sum of consecutive naturals, for example, 2969941 + ... + 2970106.

It is an arithmetic number, because the mean of its divisors is an integer number (124741008).

Almost surely, 2^493023901 is an apocalyptic number.

It is an amenable number.

493023901 is a deficient number, since it is larger than the sum of its proper divisors (5940131).

493023901 is an equidigital number, since it uses as much as digits as its factorization.

493023901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940130.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 493023901 is about 22204.1415281024. The cubic root of 493023901 is about 789.9919355049.

The spelling of 493023901 in words is "four hundred ninety-three million, twenty-three thousand, nine hundred one".