5408731 has 4 divisors (see below), whose sum is σ = 5413464. Its totient is φ = 5404000.

The previous prime is 5408719. The next prime is 5408773. The reversal of 5408731 is 1378045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5408731 - 2²¹ = 3311579 is a prime.

It is a super-2 number, since 2×5408731² = 58508742060722, which contains 22 as substring.

It is a Duffinian number.

5408731 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5408731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408701) 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, 531 + ... + 3331.

It is an arithmetic number, because the mean of its divisors is an integer number (1353366).

Almost surely, 2^5408731 is an apocalyptic number.

5408731 is a deficient number, since it is larger than the sum of its proper divisors (4733).

5408731 is a wasteful number, since it uses less digits than its factorization.

5408731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5408731 is about 2325.6678610670. The cubic root of 5408731 is about 175.5355674484.

The spelling of 5408731 in words is "five million, four hundred eight thousand, seven hundred thirty-one".