4540393 has 8 divisors (see below), whose sum is σ = 5334336. Its totient is φ = 3810000.

The previous prime is 4540369. The next prime is 4540397. The reversal of 4540393 is 3930454.

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 4540393 - 2¹³ = 4532201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540397) 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, 15733 + ... + 16018.

It is an arithmetic number, because the mean of its divisors is an integer number (666792).

Almost surely, 2^4540393 is an apocalyptic number.

It is an amenable number.

4540393 is a deficient number, since it is larger than the sum of its proper divisors (793943).

4540393 is a wasteful number, since it uses less digits than its factorization.

4540393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31775.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 4540393 is about 2130.8197952901. The cubic root of 4540393 is about 165.5888722909.

The spelling of 4540393 in words is "four million, five hundred forty thousand, three hundred ninety-three".