10445389 has 4 divisors (see below), whose sum is σ = 10468224. Its totient is φ = 10422556.

The previous prime is 10445371. The next prime is 10445401. The reversal of 10445389 is 98354401.

10445389 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98354401 = 17 ⋅5785553.

It is a cyclic number.

It is not a de Polignac number, because 10445389 - 2⁷ = 10445261 is a prime.

It is a super-2 number, since 2×10445389² = 218212302722642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10445489) 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 3 ways as a sum of consecutive naturals, for example, 10717 + ... + 11650.

It is an arithmetic number, because the mean of its divisors is an integer number (2617056).

Almost surely, 2^10445389 is an apocalyptic number.

It is an amenable number.

10445389 is a deficient number, since it is larger than the sum of its proper divisors (22835).

10445389 is an equidigital number, since it uses as much as digits as its factorization.

10445389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22834.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 10445389 is about 3231.9327035073. The cubic root of 10445389 is about 218.5956621266.

The spelling of 10445389 in words is "ten million, four hundred forty-five thousand, three hundred eighty-nine".