10644379 has 4 divisors (see below), whose sum is σ = 10904040. Its totient is φ = 10384720.

The previous prime is 10644373. The next prime is 10644383. The reversal of 10644379 is 97344601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97344601 = 17 ⋅5726153.

It is a cyclic number.

It is not a de Polignac number, because 10644379 - 2³ = 10644371 is a prime.

It is a super-2 number, since 2×10644379² = 226605608591282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10644371) 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, 129769 + ... + 129850.

It is an arithmetic number, because the mean of its divisors is an integer number (2726010).

Almost surely, 2^10644379 is an apocalyptic number.

10644379 is a deficient number, since it is larger than the sum of its proper divisors (259661).

10644379 is an equidigital number, since it uses as much as digits as its factorization.

10644379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259660.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 10644379 is about 3262.5724513028. The cubic root of 10644379 is about 219.9750591561.

The spelling of 10644379 in words is "ten million, six hundred forty-four thousand, three hundred seventy-nine".