10439969 has 4 divisors (see below), whose sum is σ = 10662144. Its totient is φ = 10217796.

The previous prime is 10439951. The next prime is 10439981. The reversal of 10439969 is 96993401.

10439969 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 10439969 - 2⁸ = 10439713 is a prime.

It is a super-2 number, since 2×10439969² = 217985905441922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10439939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111017 + ... + 111110.

It is an arithmetic number, because the mean of its divisors is an integer number (2665536).

Almost surely, 2^10439969 is an apocalyptic number.

It is an amenable number.

10439969 is a deficient number, since it is larger than the sum of its proper divisors (222175).

10439969 is an equidigital number, since it uses as much as digits as its factorization.

10439969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222174.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 10439969 is about 3231.0940871476. The cubic root of 10439969 is about 218.5578466058.

The spelling of 10439969 in words is "ten million, four hundred thirty-nine thousand, nine hundred sixty-nine".