7108389 has 12 divisors (see below), whose sum is σ = 10315500. Its totient is φ = 4716864.

The previous prime is 7108349. The next prime is 7108399. The reversal of 7108389 is 9838017.

It can be written as a sum of positive squares in 2 ways, for example, as 2873025 + 4235364 = 1695^2 + 2058^2 .

It is not a de Polignac number, because 7108389 - 2¹⁷ = 6977317 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7108349) 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 11 ways as a sum of consecutive naturals, for example, 337 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (859625).

Almost surely, 2^7108389 is an apocalyptic number.

It is an amenable number.

7108389 is a deficient number, since it is larger than the sum of its proper divisors (3207111).

7108389 is a wasteful number, since it uses less digits than its factorization.

7108389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684 (or 3681 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 7108389 is about 2666.1562219795. The cubic root of 7108389 is about 192.2754023037.

The spelling of 7108389 in words is "seven million, one hundred eight thousand, three hundred eighty-nine".