10239439 has 8 divisors (see below), whose sum is σ = 12211200. Its totient is φ = 8394936.

The previous prime is 10239433. The next prime is 10239451. The reversal of 10239439 is 93493201.

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 10239439 - 2³ = 10239431 is a prime.

It is a super-2 number, since 2×10239439² = 209692222069442, 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 10239439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10239431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31639 + ... + 31960.

It is an arithmetic number, because the mean of its divisors is an integer number (1526400).

Almost surely, 2^10239439 is an apocalyptic number.

10239439 is a deficient number, since it is larger than the sum of its proper divisors (1971761).

10239439 is an equidigital number, since it uses as much as digits as its factorization.

10239439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63629.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 10239439 is about 3199.9123425494. The cubic root of 10239439 is about 217.1494436607.

The spelling of 10239439 in words is "ten million, two hundred thirty-nine thousand, four hundred thirty-nine".