10649589 has 12 divisors (see below), whose sum is σ = 14517024. Its totient is φ = 6944344.

The previous prime is 10649581. The next prime is 10649593. The reversal of 10649589 is 98594601.

It is not a de Polignac number, because 10649589 - 2³ = 10649581 is a prime.

It is a super-2 number, since 2×10649589² = 226827491737842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10649589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5824 + ... + 7430.

It is an arithmetic number, because the mean of its divisors is an integer number (1209752).

Almost surely, 2^10649589 is an apocalyptic number.

It is an amenable number.

10649589 is a deficient number, since it is larger than the sum of its proper divisors (3867435).

10649589 is an equidigital number, since it uses as much as digits as its factorization.

10649589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 10649589 is about 3263.3708033259. The cubic root of 10649589 is about 220.0109429818.

The spelling of 10649589 in words is "ten million, six hundred forty-nine thousand, five hundred eighty-nine".