10439816 has 16 divisors (see below), whose sum is σ = 20605200. Its totient is φ = 4945104.

The previous prime is 10439813. The next prime is 10439827. The reversal of 10439816 is 61893401.

It is a happy number.

It is a super-2 number, since 2×10439816² = 217979516227712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10439813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34190 + ... + 34493.

It is an arithmetic number, because the mean of its divisors is an integer number (1287825).

Almost surely, 2^10439816 is an apocalyptic number.

It is an amenable number.

10439816 is a deficient number, since it is larger than the sum of its proper divisors (10165384).

10439816 is a wasteful number, since it uses less digits than its factorization.

10439816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68708 (or 68704 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10439816 is about 3231.0704108701. The cubic root of 10439816 is about 218.5567789298.

The spelling of 10439816 in words is "ten million, four hundred thirty-nine thousand, eight hundred sixteen".