10609749 has 12 divisors (see below), whose sum is σ = 15353676. Its totient is φ = 7060032.

The previous prime is 10609741. The next prime is 10609811. The reversal of 10609749 is 94790601.

10609749 is a `hidden beast` number, since 1 + 0 + 609 + 7 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6275025 + 4334724 = 2505^2 + 2082^2 .

It is not a de Polignac number, because 10609749 - 2³ = 10609741 is a prime.

It is a super-2 number, since 2×10609749² = 225133547686002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10609741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7959 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (1279473).

Almost surely, 2^10609749 is an apocalyptic number.

It is an amenable number.

10609749 is a deficient number, since it is larger than the sum of its proper divisors (4743927).

10609749 is a wasteful number, since it uses less digits than its factorization.

10609749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 10609749 is about 3257.2609659037. The cubic root of 10609749 is about 219.7362472804.

The spelling of 10609749 in words is "ten million, six hundred nine thousand, seven hundred forty-nine".