4538493 has 12 divisors (see below), whose sum is σ = 6767488. Its totient is φ = 2927880.

The previous prime is 4538491. The next prime is 4538497. The reversal of 4538493 is 3948354.

It is not a de Polignac number, because 4538493 - 2¹ = 4538491 is a prime.

It is a super-2 number, since 2×4538493² = 41195837422098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4538491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7855 + ... + 8412.

Almost surely, 2^4538493 is an apocalyptic number.

It is an amenable number.

4538493 is a deficient number, since it is larger than the sum of its proper divisors (2228995).

4538493 is a wasteful number, since it uses less digits than its factorization.

4538493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16304 (or 16301 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4538493 is about 2130.3739108429. The cubic root of 4538493 is about 165.5657712985.

The spelling of 4538493 in words is "four million, five hundred thirty-eight thousand, four hundred ninety-three".