10398939 has 4 divisors (see below), whose sum is σ = 13865256. Its totient is φ = 6932624.

The previous prime is 10398937. The next prime is 10398977. The reversal of 10398939 is 93989301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10398939 - 2¹ = 10398937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10398939.

It is not an unprimeable number, because it can be changed into a prime (10398931) 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, 1733154 + ... + 1733159.

It is an arithmetic number, because the mean of its divisors is an integer number (3466314).

Almost surely, 2^10398939 is an apocalyptic number.

10398939 is a deficient number, since it is larger than the sum of its proper divisors (3466317).

10398939 is an equidigital number, since it uses as much as digits as its factorization.

10398939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466316.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 10398939 is about 3224.7385940569. The cubic root of 10398939 is about 218.2711534890.

The spelling of 10398939 in words is "ten million, three hundred ninety-eight thousand, nine hundred thirty-nine".