10649845 has 8 divisors (see below), whose sum is σ = 12897720. Its totient is φ = 8441280.

The previous prime is 10649843. The next prime is 10649867. The reversal of 10649845 is 54894601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 877969 + 9771876 = 937^2 + 3126^2 .

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

It is not a de Polignac number, because 10649845 - 2¹ = 10649843 is a prime.

It is a super-2 number, since 2×10649845² = 226838397048050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649843) 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, 9226 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (1612215).

Almost surely, 2^10649845 is an apocalyptic number.

It is an amenable number.

10649845 is a deficient number, since it is larger than the sum of its proper divisors (2247875).

10649845 is a wasteful number, since it uses less digits than its factorization.

10649845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19655.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 10649845 is about 3263.4100263375. The cubic root of 10649845 is about 220.0127058777.

The spelling of 10649845 in words is "ten million, six hundred forty-nine thousand, eight hundred forty-five".