5487239 has 4 divisors (see below), whose sum is σ = 5516160. Its totient is φ = 5458320.

The previous prime is 5487221. The next prime is 5487247. The reversal of 5487239 is 9327845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9327845 = 5 ⋅1865569.

It is a cyclic number.

It is not a de Polignac number, because 5487239 - 2⁸ = 5486983 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 (5487259) 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, 14174 + ... + 14555.

It is an arithmetic number, because the mean of its divisors is an integer number (1379040).

Almost surely, 2^5487239 is an apocalyptic number.

5487239 is a deficient number, since it is larger than the sum of its proper divisors (28921).

5487239 is a wasteful number, since it uses less digits than its factorization.

5487239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28920.

The product of its digits is 60480, while the sum is 38.

The square root of 5487239 is about 2342.4856456337. The cubic root of 5487239 is about 176.3807935479.

Subtracting 5487239 from its reverse (9327845), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5487239 in words is "five million, four hundred eighty-seven thousand, two hundred thirty-nine".