44288749 has 2 divisors, whose sum is σ = 44288750. Its totient is φ = 44288748.

The previous prime is 44288747. The next prime is 44288767. The reversal of 44288749 is 94788244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23522500 + 20766249 = 4850^2 + 4557^2 .

It is a cyclic number.

It is not a de Polignac number, because 44288749 - 2¹ = 44288747 is a prime.

It is a super-2 number, since 2×44288749² = 3922986575970002, which contains 22 as substring.

Together with 44288747, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 44288699 and 44288708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44288747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22144374 + 22144375.

It is an arithmetic number, because the mean of its divisors is an integer number (22144375).

Almost surely, 2^44288749 is an apocalyptic number.

It is an amenable number.

44288749 is a deficient number, since it is larger than the sum of its proper divisors (1).

44288749 is an equidigital number, since it uses as much as digits as its factorization.

44288749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 46.

The square root of 44288749 is about 6654.9792636792. The cubic root of 44288749 is about 353.8054113734.

The spelling of 44288749 in words is "forty-four million, two hundred eighty-eight thousand, seven hundred forty-nine".