10646385 has 16 divisors (see below), whose sum is σ = 17076096. Its totient is φ = 5664128.

The previous prime is 10646381. The next prime is 10646387. The reversal of 10646385 is 58364601.

10646385 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10646385 - 2² = 10646381 is a prime.

It is a super-2 number, since 2×10646385² = 226691027136450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10646381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9157 + ... + 10253.

It is an arithmetic number, because the mean of its divisors is an integer number (1067256).

Almost surely, 2^10646385 is an apocalyptic number.

10646385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10646385 is a deficient number, since it is larger than the sum of its proper divisors (6429711).

10646385 is a wasteful number, since it uses less digits than its factorization.

10646385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 10646385 is about 3262.8798629432. The cubic root of 10646385 is about 219.9888768481.

The spelling of 10646385 in words is "ten million, six hundred forty-six thousand, three hundred eighty-five".