10398609 has 48 divisors (see below), whose sum is σ = 17332224. Its totient is φ = 5961600.

The previous prime is 10398607. The next prime is 10398629. The reversal of 10398609 is 90689301.

10398609 is a `hidden beast` number, since 10 + 39 + 8 + 609 = 666.

It is not a de Polignac number, because 10398609 - 2¹ = 10398607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10398607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170439 + ... + 170499.

It is an arithmetic number, because the mean of its divisors is an integer number (361088).

Almost surely, 2^10398609 is an apocalyptic number.

It is an amenable number.

10398609 is a deficient number, since it is larger than the sum of its proper divisors (6933615).

10398609 is a wasteful number, since it uses less digits than its factorization.

10398609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 10398609 is about 3224.6874267129. The cubic root of 10398609 is about 218.2688445918.

The spelling of 10398609 in words is "ten million, three hundred ninety-eight thousand, six hundred nine".