5398765 has 4 divisors (see below), whose sum is σ = 6478524. Its totient is φ = 4319008.

The previous prime is 5398763. The next prime is 5398807. The reversal of 5398765 is 5678935.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1565001 + 3833764 = 1251^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 5398765 - 2¹ = 5398763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5398763) 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 3 ways as a sum of consecutive naturals, for example, 539872 + ... + 539881.

It is an arithmetic number, because the mean of its divisors is an integer number (1619631).

Almost surely, 2^5398765 is an apocalyptic number.

It is an amenable number.

5398765 is a deficient number, since it is larger than the sum of its proper divisors (1079759).

5398765 is a wasteful number, since it uses less digits than its factorization.

5398765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079758.

The product of its digits is 226800, while the sum is 43.

The square root of 5398765 is about 2323.5242628387. The cubic root of 5398765 is about 175.4276885993.

The spelling of 5398765 in words is "five million, three hundred ninety-eight thousand, seven hundred sixty-five".