10489389 has 16 divisors (see below), whose sum is σ = 14643072. Its totient is φ = 6671808.

The previous prime is 10489379. The next prime is 10489393. The reversal of 10489389 is 98398401.

It is not a de Polignac number, because 10489389 - 2⁷ = 10489261 is a prime.

It is a super-2 number, since 2×10489389² = 220054563186642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10489389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10489309) 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, 4992 + ... + 6774.

It is an arithmetic number, because the mean of its divisors is an integer number (915192).

Almost surely, 2^10489389 is an apocalyptic number.

It is an amenable number.

10489389 is a deficient number, since it is larger than the sum of its proper divisors (4153683).

10489389 is a wasteful number, since it uses less digits than its factorization.

10489389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 10489389 is about 3238.7326224929. The cubic root of 10489389 is about 218.9021685174.

It can be divided in two parts, 10489 and 389, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 10489389 in words is "ten million, four hundred eighty-nine thousand, three hundred eighty-nine".