10662409 has 8 divisors (see below), whose sum is σ = 11385792. Its totient is φ = 9960720.

The previous prime is 10662397. The next prime is 10662413. The reversal of 10662409 is 90426601.

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 10662409 - 2⁹ = 10661897 is a prime.

It is a super-2 number, since 2×10662409² = 227373931366562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10662479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4402 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (1423224).

Almost surely, 2^10662409 is an apocalyptic number.

It is an amenable number.

10662409 is a deficient number, since it is larger than the sum of its proper divisors (723383).

10662409 is a wasteful number, since it uses less digits than its factorization.

10662409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10662409 is about 3265.3344392267. The cubic root of 10662409 is about 220.0991908086.

The spelling of 10662409 in words is "ten million, six hundred sixty-two thousand, four hundred nine".