5400493 has 4 divisors (see below), whose sum is σ = 6172000. Its totient is φ = 4628988.

The previous prime is 5400457. The next prime is 5400511. The reversal of 5400493 is 3940045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3940045 = 5 ⋅788009.

It is not a de Polignac number, because 5400493 - 2¹³ = 5392301 is a prime.

It is a Duffinian number.

5400493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385743 + ... + 385756.

It is an arithmetic number, because the mean of its divisors is an integer number (1543000).

Almost surely, 2^5400493 is an apocalyptic number.

It is an amenable number.

5400493 is a deficient number, since it is larger than the sum of its proper divisors (771507).

5400493 is an equidigital number, since it uses as much as digits as its factorization.

5400493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771506.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 5400493 is about 2323.8960820140. The cubic root of 5400493 is about 175.4464031701.

The spelling of 5400493 in words is "five million, four hundred thousand, four hundred ninety-three".