5228739 has 16 divisors (see below), whose sum is σ = 7997440. Its totient is φ = 3372840.

The previous prime is 5228731. The next prime is 5228749. The reversal of 5228739 is 9378225.

It is a happy number.

It is not a de Polignac number, because 5228739 - 2³ = 5228731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5228731) 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, 2287 + ... + 3960.

It is an arithmetic number, because the mean of its divisors is an integer number (499840).

Almost surely, 2^5228739 is an apocalyptic number.

5228739 is a deficient number, since it is larger than the sum of its proper divisors (2768701).

5228739 is a wasteful number, since it uses less digits than its factorization.

5228739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287 (or 6281 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5228739 is about 2286.6436101850. The cubic root of 5228739 is about 173.5663995756.

It can be divided in two parts, 52287 and 39, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 5228739 in words is "five million, two hundred twenty-eight thousand, seven hundred thirty-nine".