39044081 has 2 divisors, whose sum is σ = 39044082. Its totient is φ = 39044080.

The previous prime is 39044077. The next prime is 39044111. The reversal of 39044081 is 18044093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35509681 + 3534400 = 5959^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 39044081 - 2² = 39044077 is a prime.

It is a super-2 number, since 2×39044081² = 3048880522269122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39044051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19522040 + 19522041.

It is an arithmetic number, because the mean of its divisors is an integer number (19522041).

Almost surely, 2^39044081 is an apocalyptic number.

It is an amenable number.

39044081 is a deficient number, since it is larger than the sum of its proper divisors (1).

39044081 is an equidigital number, since it uses as much as digits as its factorization.

39044081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 39044081 is about 6248.5263062581. The cubic root of 39044081 is about 339.2488637080.

The spelling of 39044081 in words is "thirty-nine million, forty-four thousand, eighty-one".