5478215 has 8 divisors (see below), whose sum is σ = 6734448. Its totient is φ = 4275520.

The previous prime is 5478211. The next prime is 5478223. The reversal of 5478215 is 5128745.

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

It is not a de Polignac number, because 5478215 - 2² = 5478211 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 (5478211) 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 7 ways as a sum of consecutive naturals, for example, 13157 + ... + 13566.

It is an arithmetic number, because the mean of its divisors is an integer number (841806).

Almost surely, 2^5478215 is an apocalyptic number.

5478215 is a deficient number, since it is larger than the sum of its proper divisors (1256233).

5478215 is a wasteful number, since it uses less digits than its factorization.

5478215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26769.

The product of its digits is 11200, while the sum is 32.

The square root of 5478215 is about 2340.5586939874. The cubic root of 5478215 is about 176.2840519020.

The spelling of 5478215 in words is "five million, four hundred seventy-eight thousand, two hundred fifteen".