5478939 has 12 divisors (see below), whose sum is σ = 7934472. Its totient is φ = 3643200.

The previous prime is 5478937. The next prime is 5478989. The reversal of 5478939 is 9398745.

It is not a de Polignac number, because 5478939 - 2¹ = 5478937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5478894 and 5478903.

It is not an unprimeable number, because it can be changed into a prime (5478937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5779 + ... + 6659.

It is an arithmetic number, because the mean of its divisors is an integer number (661206).

Almost surely, 2^5478939 is an apocalyptic number.

5478939 is a deficient number, since it is larger than the sum of its proper divisors (2455533).

5478939 is a wasteful number, since it uses less digits than its factorization.

5478939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578 (or 1575 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 5478939 is about 2340.7133528051. The cubic root of 5478939 is about 176.2918174504.

The spelling of 5478939 in words is "five million, four hundred seventy-eight thousand, nine hundred thirty-nine".