5188428 has 48 divisors (see below), whose sum is σ = 15375360. Its totient is φ = 1482192.

The previous prime is 5188411. The next prime is 5188429. The reversal of 5188428 is 8248815.

It is a super-2 number, since 2×5188428² = 53839570222368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5188392 and 5188401.

It is not an unprimeable number, because it can be changed into a prime (5188429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2676 + ... + 4187.

It is an arithmetic number, because the mean of its divisors is an integer number (320320).

Almost surely, 2^5188428 is an apocalyptic number.

It is an amenable number.

5188428 is an abundant number, since it is smaller than the sum of its proper divisors (10186932).

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

5188428 is a wasteful number, since it uses less digits than its factorization.

5188428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883 (or 6875 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 5188428 is about 2277.8121081424. The cubic root of 5188428 is about 173.1192112736.

The spelling of 5188428 in words is "five million, one hundred eighty-eight thousand, four hundred twenty-eight".