3871073 has 2 divisors, whose sum is σ = 3871074. Its totient is φ = 3871072.

The previous prime is 3871039. The next prime is 3871081. The reversal of 3871073 is 3701783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2411809 + 1459264 = 1553^2 + 1208^2 .

It is an emirp because it is prime and its reverse (3701783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3871073 - 2⁶ = 3871009 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8⁷ + 7² + 1 + 0 + 7⁴ + 3¹³ .

It is not a weakly prime, because it can be changed into another prime (3871013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935536 + 1935537.

It is an arithmetic number, because the mean of its divisors is an integer number (1935537).

Almost surely, 2^3871073 is an apocalyptic number.

It is an amenable number.

3871073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871073 is an equidigital number, since it uses as much as digits as its factorization.

3871073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 3871073 is about 1967.5042566663. The cubic root of 3871073 is about 157.0159557533.

It can be divided in two parts, 38710 and 73, that added together give a palindrome (38783).

The spelling of 3871073 in words is "three million, eight hundred seventy-one thousand, seventy-three".