3938273 has 2 divisors, whose sum is σ = 3938274. Its totient is φ = 3938272.

The previous prime is 3938257. The next prime is 3938281. The reversal of 3938273 is 3728393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3429904 + 508369 = 1852^2 + 713^2 .

It is an emirp because it is prime and its reverse (3728393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3938273 - 2⁴ = 3938257 is a prime.

It is a d-powerful number, because it can be written as 3¹⁰ + 9 + 3¹¹ + 8⁷ + 2¹³ + 7⁴ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (3931273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969136 + 1969137.

It is an arithmetic number, because the mean of its divisors is an integer number (1969137).

Almost surely, 2^3938273 is an apocalyptic number.

It is an amenable number.

3938273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3938273 is an equidigital number, since it uses as much as digits as its factorization.

3938273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 3938273 is about 1984.5082514316. The cubic root of 3938273 is about 157.9193226959.

The spelling of 3938273 in words is "three million, nine hundred thirty-eight thousand, two hundred seventy-three".