3876709 has 2 divisors, whose sum is σ = 3876710. Its totient is φ = 3876708.

The previous prime is 3876707. The next prime is 3876739. The reversal of 3876709 is 9076783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 62500 = 1953^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 3876709 - 2¹ = 3876707 is a prime.

Together with 3876707, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3876707) 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, 1938354 + 1938355.

It is an arithmetic number, because the mean of its divisors is an integer number (1938355).

Almost surely, 2^3876709 is an apocalyptic number.

It is an amenable number.

3876709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3876709 is an equidigital number, since it uses as much as digits as its factorization.

3876709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3876709 is about 1968.9360070861. The cubic root of 3876709 is about 157.0921200625.

The spelling of 3876709 in words is "three million, eight hundred seventy-six thousand, seven hundred nine".