5428047 has 4 divisors (see below), whose sum is σ = 7237400. Its totient is φ = 3618696.

The previous prime is 5428039. The next prime is 5428051. The reversal of 5428047 is 7408245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5428047 - 2³ = 5428039 is a prime.

It is a D-number.

It is a Duffinian number.

5428047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428037) 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 3 ways as a sum of consecutive naturals, for example, 904672 + ... + 904677.

It is an arithmetic number, because the mean of its divisors is an integer number (1809350).

Almost surely, 2^5428047 is an apocalyptic number.

5428047 is a deficient number, since it is larger than the sum of its proper divisors (1809353).

5428047 is a wasteful number, since it uses less digits than its factorization.

5428047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809352.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 5428047 is about 2329.8169455989. The cubic root of 5428047 is about 175.7442804050.

The spelling of 5428047 in words is "five million, four hundred twenty-eight thousand, forty-seven".