5478239 has 8 divisors (see below), whose sum is σ = 6011712. Its totient is φ = 4960800.

The previous prime is 5478223. The next prime is 5478241. The reversal of 5478239 is 9328745.

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

It is not a de Polignac number, because 5478239 - 2⁴ = 5478223 is a prime.

It is a super-2 number, since 2×5478239² = 60022205082242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478299) 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, 3287 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (751464).

Almost surely, 2^5478239 is an apocalyptic number.

5478239 is a deficient number, since it is larger than the sum of its proper divisors (533473).

5478239 is a wasteful number, since it uses less digits than its factorization.

5478239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017.

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

The square root of 5478239 is about 2340.5638209628. The cubic root of 5478239 is about 176.2843093344.

The spelling of 5478239 in words is "five million, four hundred seventy-eight thousand, two hundred thirty-nine".