4545993 has 8 divisors (see below), whose sum is σ = 6134688. Its totient is φ = 2993984.

The previous prime is 4545979. The next prime is 4546001. The reversal of 4545993 is 3995454.

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

It is a cyclic number.

It is not a de Polignac number, because 4545993 - 2⁴ = 4545977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4545913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8880 + ... + 9377.

It is an arithmetic number, because the mean of its divisors is an integer number (766836).

Almost surely, 2^4545993 is an apocalyptic number.

It is an amenable number.

4545993 is a deficient number, since it is larger than the sum of its proper divisors (1588695).

4545993 is a wasteful number, since it uses less digits than its factorization.

4545993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18343.

The product of its digits is 97200, while the sum is 39.

The square root of 4545993 is about 2132.1334386009. The cubic root of 4545993 is about 165.6569219591.

The spelling of 4545993 in words is "four million, five hundred forty-five thousand, nine hundred ninety-three".