5398871 has 4 divisors (see below), whose sum is σ = 5403552. Its totient is φ = 5394192.

The previous prime is 5398849. The next prime is 5398873. The reversal of 5398871 is 1788935.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1788935 = 5 ⋅357787.

It is a cyclic number.

It is not a de Polignac number, because 5398871 - 2⁶ = 5398807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 3371.

It is an arithmetic number, because the mean of its divisors is an integer number (1350888).

Almost surely, 2^5398871 is an apocalyptic number.

5398871 is a deficient number, since it is larger than the sum of its proper divisors (4681).

5398871 is a wasteful number, since it uses less digits than its factorization.

5398871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680.

The product of its digits is 60480, while the sum is 41.

The square root of 5398871 is about 2323.5470729038. The cubic root of 5398871 is about 175.4288367146.

The spelling of 5398871 in words is "five million, three hundred ninety-eight thousand, eight hundred seventy-one".