39244273 has 2 divisors, whose sum is σ = 39244274. Its totient is φ = 39244272.

The previous prime is 39244243. The next prime is 39244297. The reversal of 39244273 is 37244293.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29899024 + 9345249 = 5468^2 + 3057^2 .

It is a cyclic number.

It is not a de Polignac number, because 39244273 - 2¹⁷ = 39113201 is a prime.

It is a super-2 number, since 2×39244273² = 3080225926597058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39244243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19622136 + 19622137.

It is an arithmetic number, because the mean of its divisors is an integer number (19622137).

Almost surely, 2^39244273 is an apocalyptic number.

It is an amenable number.

39244273 is a deficient number, since it is larger than the sum of its proper divisors (1).

39244273 is an equidigital number, since it uses as much as digits as its factorization.

39244273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 34.

The square root of 39244273 is about 6264.5249620382. The cubic root of 39244273 is about 339.8276895052.

The spelling of 39244273 in words is "thirty-nine million, two hundred forty-four thousand, two hundred seventy-three".