38444117 has 2 divisors, whose sum is σ = 38444118. Its totient is φ = 38444116.

The previous prime is 38444113. The next prime is 38444129. The reversal of 38444117 is 71144483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21911761 + 16532356 = 4681^2 + 4066^2 .

It is a cyclic number.

It is not a de Polignac number, because 38444117 - 2² = 38444113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38444113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19222058 + 19222059.

It is an arithmetic number, because the mean of its divisors is an integer number (19222059).

Almost surely, 2^38444117 is an apocalyptic number.

It is an amenable number.

38444117 is a deficient number, since it is larger than the sum of its proper divisors (1).

38444117 is an equidigital number, since it uses as much as digits as its factorization.

38444117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 38444117 is about 6200.3320072396. The cubic root of 38444117 is about 337.5022170865.

The spelling of 38444117 in words is "thirty-eight million, four hundred forty-four thousand, one hundred seventeen".