10438749 has 6 divisors (see below), whose sum is σ = 15078206. Its totient is φ = 6959160.

The previous prime is 10438739. The next prime is 10438751. The reversal of 10438749 is 94783401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8450649 + 1988100 = 2907^2 + 1410^2 .

It is not a de Polignac number, because 10438749 - 2⁵ = 10438717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10438709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 579922 + ... + 579939.

Almost surely, 2^10438749 is an apocalyptic number.

It is an amenable number.

10438749 is a deficient number, since it is larger than the sum of its proper divisors (4639457).

10438749 is a wasteful number, since it uses less digits than its factorization.

10438749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159867 (or 1159864 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 10438749 is about 3230.9052910910. The cubic root of 10438749 is about 218.5493328207.

The spelling of 10438749 in words is "ten million, four hundred thirty-eight thousand, seven hundred forty-nine".