4508493 has 8 divisors (see below), whose sum is σ = 6557856. Its totient is φ = 2732400.

The previous prime is 4508461. The next prime is 4508501. The reversal of 4508493 is 3948054.

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

It is not a de Polignac number, because 4508493 - 2⁵ = 4508461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 136621 = 4508493 / (4 + 5 + 0 + 8 + 4 + 9 + 3).

It is an Ulam number.

4508493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4508093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68278 + ... + 68343.

It is an arithmetic number, because the mean of its divisors is an integer number (819732).

Almost surely, 2^4508493 is an apocalyptic number.

It is an amenable number.

4508493 is a deficient number, since it is larger than the sum of its proper divisors (2049363).

4508493 is a wasteful number, since it uses less digits than its factorization.

4508493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136635.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 4508493 is about 2123.3212192224. The cubic root of 4508493 is about 165.2001611272.

The spelling of 4508493 in words is "four million, five hundred eight thousand, four hundred ninety-three".