452817993 has 16 divisors (see below), whose sum is σ = 619230656. Its totient is φ = 294174720.

The previous prime is 452817983. The next prime is 452818021. The reversal of 452817993 is 399718254.

It is not a de Polignac number, because 452817993 - 2¹² = 452813897 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452817943) 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 15 ways as a sum of consecutive naturals, for example, 55113 + ... + 62793.

It is an arithmetic number, because the mean of its divisors is an integer number (38701916).

Almost surely, 2^452817993 is an apocalyptic number.

452817993 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

452817993 is a deficient number, since it is larger than the sum of its proper divisors (166412663).

452817993 is a wasteful number, since it uses less digits than its factorization.

452817993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184.

The product of its digits is 544320, while the sum is 48.

The square root of 452817993 is about 21279.5205068159. The cubic root of 452817993 is about 767.9057009735.

The spelling of 452817993 in words is "four hundred fifty-two million, eight hundred seventeen thousand, nine hundred ninety-three".