44038661 has 2 divisors, whose sum is σ = 44038662. Its totient is φ = 44038660.

The previous prime is 44038649. The next prime is 44038667. The reversal of 44038661 is 16683044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32273761 + 11764900 = 5681^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 44038661 - 2⁶ = 44038597 is a prime.

It is a super-3 number, since 3×44038661³ (a number of 24 digits) contains 333 as substring.

It is equal to p_2663564 and since 44038661 and 2663564 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44038667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22019330 + 22019331.

It is an arithmetic number, because the mean of its divisors is an integer number (22019331).

Almost surely, 2^44038661 is an apocalyptic number.

It is an amenable number.

44038661 is a deficient number, since it is larger than the sum of its proper divisors (1).

44038661 is an equidigital number, since it uses as much as digits as its factorization.

44038661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 44038661 is about 6636.1631233718. The cubic root of 44038661 is about 353.1382023518.

The spelling of 44038661 in words is "forty-four million, thirty-eight thousand, six hundred sixty-one".