5393731 has 4 divisors (see below), whose sum is σ = 6164272. Its totient is φ = 4623192.

The previous prime is 5393723. The next prime is 5393737. The reversal of 5393731 is 1373935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1373935 = 5 ⋅274787.

It is not a de Polignac number, because 5393731 - 2³ = 5393723 is a prime.

It is a super-2 number, since 2×5393731² = 58184668200722, which contains 22 as substring.

It is a Duffinian number.

5393731 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5393693 and 5393702.

It is not an unprimeable number, because it can be changed into a prime (5393737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385260 + ... + 385273.

It is an arithmetic number, because the mean of its divisors is an integer number (1541068).

Almost surely, 2^5393731 is an apocalyptic number.

5393731 is a deficient number, since it is larger than the sum of its proper divisors (770541).

5393731 is an equidigital number, since it uses as much as digits as its factorization.

5393731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770540.

The product of its digits is 8505, while the sum is 31.

The square root of 5393731 is about 2322.4407419781. The cubic root of 5393731 is about 175.3731466435.

The spelling of 5393731 in words is "five million, three hundred ninety-three thousand, seven hundred thirty-one".