5478647 has 4 divisors (see below), whose sum is σ = 5484960. Its totient is φ = 5472336.

The previous prime is 5478643. The next prime is 5478677. The reversal of 5478647 is 7468745.

5478647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 7468745 = 5 ⋅1493749.

It is a cyclic number.

It is not a de Polignac number, because 5478647 - 2² = 5478643 is a prime.

It is a super-3 number, since 3×5478647³ (a number of 21 digits) contains 333 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 (5478643) 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, 1598 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (1371240).

Almost surely, 2^5478647 is an apocalyptic number.

5478647 is a deficient number, since it is larger than the sum of its proper divisors (6313).

5478647 is a wasteful number, since it uses less digits than its factorization.

5478647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6312.

The product of its digits is 188160, while the sum is 41.

The square root of 5478647 is about 2340.6509778265. The cubic root of 5478647 is about 176.2886855712.

The spelling of 5478647 in words is "five million, four hundred seventy-eight thousand, six hundred forty-seven".