3875239 has 2 divisors, whose sum is σ = 3875240. Its totient is φ = 3875238.

The previous prime is 3875177. The next prime is 3875243. The reversal of 3875239 is 9325783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3875239 - 2¹³ = 3867047 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8⁷ + 7² + 5 + 2 + 3¹³ + 9⁴ .

3875239 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3875198 and 3875207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3875539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937619 + 1937620.

It is an arithmetic number, because the mean of its divisors is an integer number (1937620).

Almost surely, 2^3875239 is an apocalyptic number.

3875239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3875239 is an equidigital number, since it uses as much as digits as its factorization.

3875239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 3875239 is about 1968.5626736276. The cubic root of 3875239 is about 157.0722617574.

It can be divided in two parts, 3875 and 239, that added together give a palindrome (4114).

The spelling of 3875239 in words is "three million, eight hundred seventy-five thousand, two hundred thirty-nine".