10403939 has 8 divisors (see below), whose sum is σ = 12804960. Its totient is φ = 8231616.

The previous prime is 10403903. The next prime is 10403947. The reversal of 10403939 is 93930401.

10403939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10403939 - 2¹² = 10399843 is a prime.

10403939 is a modest number, since divided by 3939 gives 1040 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10403959) 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 7 ways as a sum of consecutive naturals, for example, 57074 + ... + 57255.

It is an arithmetic number, because the mean of its divisors is an integer number (1600620).

Almost surely, 2^10403939 is an apocalyptic number.

10403939 is a deficient number, since it is larger than the sum of its proper divisors (2401021).

10403939 is a wasteful number, since it uses less digits than its factorization.

10403939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114349.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 10403939 is about 3225.5137575276. The cubic root of 10403939 is about 218.3061308041.

The spelling of 10403939 in words is "ten million, four hundred three thousand, nine hundred thirty-nine".