5391028 has 6 divisors (see below), whose sum is σ = 9434306. Its totient is φ = 2695512.

The previous prime is 5391019. The next prime is 5391037. The reversal of 5391028 is 8201935.

It is an interprime number because it is at equal distance from previous prime (5391019) and next prime (5391037).

It can be written as a sum of positive squares in only one way, i.e., 5280804 + 110224 = 2298^2 + 332^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5390987 and 5391005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673875 + ... + 673882.

Almost surely, 2^5391028 is an apocalyptic number.

It is an amenable number.

5391028 is a deficient number, since it is larger than the sum of its proper divisors (4043278).

5391028 is a wasteful number, since it uses less digits than its factorization.

5391028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347761 (or 1347759 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 5391028 is about 2321.8587381665. The cubic root of 5391028 is about 175.3438464045.

The spelling of 5391028 in words is "five million, three hundred ninety-one thousand, twenty-eight".