10208389 has 8 divisors (see below), whose sum is σ = 10774080. Its totient is φ = 9652896.

The previous prime is 10208333. The next prime is 10208399. The reversal of 10208389 is 98380201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10208389 - 2⁹ = 10207877 is a prime.

It is a super-2 number, since 2×10208389² = 208422411950642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10208389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10208399) 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 7 ways as a sum of consecutive naturals, for example, 447 + ... + 4540.

It is an arithmetic number, because the mean of its divisors is an integer number (1346760).

Almost surely, 2^10208389 is an apocalyptic number.

It is an amenable number.

10208389 is a deficient number, since it is larger than the sum of its proper divisors (565691).

10208389 is an equidigital number, since it uses as much as digits as its factorization.

10208389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10208389 is about 3195.0569634985. The cubic root of 10208389 is about 216.9297272933.

It can be divided in two parts, 1020 and 8389, that added together give a square (9409 = 97²).

The spelling of 10208389 in words is "ten million, two hundred eight thousand, three hundred eighty-nine".