5478909 has 8 divisors (see below), whose sum is σ = 7540992. Its totient is φ = 3534720.

The previous prime is 5478881. The next prime is 5478911. The reversal of 5478909 is 9098745.

5478909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5478909 - 2⁵ = 5478877 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478989) 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, 29364 + ... + 29549.

It is an arithmetic number, because the mean of its divisors is an integer number (942624).

Almost surely, 2^5478909 is an apocalyptic number.

It is an amenable number.

5478909 is a deficient number, since it is larger than the sum of its proper divisors (2062083).

5478909 is a wasteful number, since it uses less digits than its factorization.

5478909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58947.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 5478909 is about 2340.7069444935. The cubic root of 5478909 is about 176.2914956871.

The spelling of 5478909 in words is "five million, four hundred seventy-eight thousand, nine hundred nine".