5439813 has 8 divisors (see below), whose sum is σ = 7679808. Its totient is φ = 3413184.

The previous prime is 5439809. The next prime is 5439817. The reversal of 5439813 is 3189345.

It is an interprime number because it is at equal distance from previous prime (5439809) and next prime (5439817).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5439813 - 2² = 5439809 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439817) 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, 53281 + ... + 53382.

It is an arithmetic number, because the mean of its divisors is an integer number (959976).

Almost surely, 2^5439813 is an apocalyptic number.

It is an amenable number.

5439813 is a deficient number, since it is larger than the sum of its proper divisors (2239995).

5439813 is a wasteful number, since it uses less digits than its factorization.

5439813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106683.

The product of its digits is 12960, while the sum is 33.

The square root of 5439813 is about 2332.3406697993. The cubic root of 5439813 is about 175.8711716496.

The spelling of 5439813 in words is "five million, four hundred thirty-nine thousand, eight hundred thirteen".