5439831 has 4 divisors (see below), whose sum is σ = 7253112. Its totient is φ = 3626552.

The previous prime is 5439829. The next prime is 5439853. The reversal of 5439831 is 1389345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5439831 - 2¹ = 5439829 is a prime.

It is a super-2 number, since 2×5439831² = 59183522617122, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5439792 and 5439801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5439821) 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, 906636 + ... + 906641.

It is an arithmetic number, because the mean of its divisors is an integer number (1813278).

Almost surely, 2^5439831 is an apocalyptic number.

5439831 is a deficient number, since it is larger than the sum of its proper divisors (1813281).

5439831 is a wasteful number, since it uses less digits than its factorization.

5439831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813280.

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

The square root of 5439831 is about 2332.3445285806. The cubic root of 5439831 is about 175.8713656316.

The spelling of 5439831 in words is "five million, four hundred thirty-nine thousand, eight hundred thirty-one".