10646985 has 8 divisors (see below), whose sum is σ = 17035200. Its totient is φ = 5678384.

The previous prime is 10646971. The next prime is 10646989. The reversal of 10646985 is 58964601.

10646985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10646985 - 2⁴ = 10646969 is a prime.

It is a super-2 number, since 2×10646985² = 226716579180450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10646989) 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, 354885 + ... + 354914.

It is an arithmetic number, because the mean of its divisors is an integer number (2129400).

Almost surely, 2^10646985 is an apocalyptic number.

10646985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10646985 is a deficient number, since it is larger than the sum of its proper divisors (6388215).

10646985 is an equidigital number, since it uses as much as digits as its factorization.

10646985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709807.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 10646985 is about 3262.9718049655. The cubic root of 10646985 is about 219.9930094197.

The spelling of 10646985 in words is "ten million, six hundred forty-six thousand, nine hundred eighty-five".