10439818 has 8 divisors (see below), whose sum is σ = 15739812. Its totient is φ = 5193216.

The previous prime is 10439813. The next prime is 10439827. The reversal of 10439818 is 81893401.

It is a happy number.

10439818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7436529 + 3003289 = 2727^2 + 1733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10439813) 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, 12855 + ... + 13642.

Almost surely, 2^10439818 is an apocalyptic number.

10439818 is a deficient number, since it is larger than the sum of its proper divisors (5299994).

10439818 is a wasteful number, since it uses less digits than its factorization.

10439818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26696.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 10439818 is about 3231.0707203650. The cubic root of 10439818 is about 218.5567928864.

The spelling of 10439818 in words is "ten million, four hundred thirty-nine thousand, eight hundred eighteen".