3976129 has 2 divisors, whose sum is σ = 3976130. Its totient is φ = 3976128.

The previous prime is 3976121. The next prime is 3976169. The reversal of 3976129 is 9216793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3908529 + 67600 = 1977^2 + 260^2 .

It is an emirp because it is prime and its reverse (9216793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3976129 - 2³ = 3976121 is a prime.

3976129 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3976121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988064 + 1988065.

It is an arithmetic number, because the mean of its divisors is an integer number (1988065).

Almost surely, 2^3976129 is an apocalyptic number.

It is an amenable number.

3976129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3976129 is an equidigital number, since it uses as much as digits as its factorization.

3976129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 37.

The square root of 3976129 is about 1994.0233198235. The cubic root of 3976129 is about 158.4237011987.

The spelling of 3976129 in words is "three million, nine hundred seventy-six thousand, one hundred twenty-nine".