3701881 has 2 divisors, whose sum is σ = 3701882. Its totient is φ = 3701880.

The previous prime is 3701839. The next prime is 3701917. The reversal of 3701881 is 1881073.

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., 3644281 + 57600 = 1909^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 3701881 - 2¹³ = 3693689 is a prime.

It is a super-2 number, since 2×3701881² = 27407845876322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3701381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1850940 + 1850941.

It is an arithmetic number, because the mean of its divisors is an integer number (1850941).

Almost surely, 2^3701881 is an apocalyptic number.

It is an amenable number.

3701881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3701881 is an equidigital number, since it uses as much as digits as its factorization.

3701881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 3701881 is about 1924.0272867088. The cubic root of 3701881 is about 154.6942428989.

The spelling of 3701881 in words is "three million, seven hundred one thousand, eight hundred eighty-one".