5381428 has 24 divisors (see below), whose sum is σ = 10419752. Its totient is φ = 2415744.

The previous prime is 5381423. The next prime is 5381437. The reversal of 5381428 is 8241835.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 3912484 = 1212^2 + 1978^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5381428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381423) 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, 526 + ... + 3322.

Almost surely, 2^5381428 is an apocalyptic number.

It is an amenable number.

5381428 is a deficient number, since it is larger than the sum of its proper divisors (5038324).

5381428 is a wasteful number, since it uses less digits than its factorization.

5381428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2849 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 5381428 is about 2319.7905077830. The cubic root of 5381428 is about 175.2397041712.

The spelling of 5381428 in words is "five million, three hundred eighty-one thousand, four hundred twenty-eight".