10206609 has 32 divisors (see below), whose sum is σ = 16220160. Its totient is φ = 5588352.

The previous prime is 10206607. The next prime is 10206611. The reversal of 10206609 is 90660201.

It is an interprime number because it is at equal distance from previous prime (10206607) and next prime (10206611).

It is not a de Polignac number, because 10206609 - 2¹ = 10206607 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10206607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80304 + ... + 80430.

It is an arithmetic number, because the mean of its divisors is an integer number (506880).

Almost surely, 2^10206609 is an apocalyptic number.

It is an amenable number.

10206609 is a deficient number, since it is larger than the sum of its proper divisors (6013551).

10206609 is a wasteful number, since it uses less digits than its factorization.

10206609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 10206609 is about 3194.7783960707. The cubic root of 10206609 is about 216.9171181422.

The spelling of 10206609 in words is "ten million, two hundred six thousand, six hundred nine".