5186478 has 16 divisors (see below), whose sum is σ = 11316096. Its totient is φ = 1571640.

The previous prime is 5186471. The next prime is 5186483. The reversal of 5186478 is 8746815.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5186471) 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, 39226 + ... + 39357.

It is an arithmetic number, because the mean of its divisors is an integer number (707256).

Almost surely, 2^5186478 is an apocalyptic number.

5186478 is an abundant number, since it is smaller than the sum of its proper divisors (6129618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5186478 is a wasteful number, since it uses less digits than its factorization.

5186478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78599.

The product of its digits is 53760, while the sum is 39.

The square root of 5186478 is about 2277.3840255873. The cubic root of 5186478 is about 173.0975203901.

It can be divided in two parts, 518 and 6478, that added together give a palindrome (6996).

The spelling of 5186478 in words is "five million, one hundred eighty-six thousand, four hundred seventy-eight".