5428389 has 16 divisors (see below), whose sum is σ = 7722432. Its totient is φ = 3379968.

The previous prime is 5428387. The next prime is 5428393. The reversal of 5428389 is 9838245.

It is a happy number.

It is not a de Polignac number, because 5428389 - 2¹ = 5428387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7987 + ... + 8639.

It is an arithmetic number, because the mean of its divisors is an integer number (482652).

Almost surely, 2^5428389 is an apocalyptic number.

It is an amenable number.

5428389 is a deficient number, since it is larger than the sum of its proper divisors (2294043).

5428389 is a wasteful number, since it uses less digits than its factorization.

5428389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its digits is 69120, while the sum is 39.

The square root of 5428389 is about 2329.8903407671. The cubic root of 5428389 is about 175.7479713139.

The spelling of 5428389 in words is "five million, four hundred twenty-eight thousand, three hundred eighty-nine".