10655909 has 8 divisors (see below), whose sum is σ = 12000000. Its totient is φ = 9374400.

The previous prime is 10655899. The next prime is 10655921. The reversal of 10655909 is 90955601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10655909 - 2⁸ = 10655653 is a prime.

It is a super-2 number, since 2×10655909² = 227096793232562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10655009) 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, 15284 + ... + 15965.

It is an arithmetic number, because the mean of its divisors is an integer number (1500000).

Almost surely, 2^10655909 is an apocalyptic number.

It is an amenable number.

10655909 is a deficient number, since it is larger than the sum of its proper divisors (1344091).

10655909 is a wasteful number, since it uses less digits than its factorization.

10655909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31291.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 10655909 is about 3264.3389836229. The cubic root of 10655909 is about 220.0544562164.

The spelling of 10655909 in words is "ten million, six hundred fifty-five thousand, nine hundred nine".