3864977 has 2 divisors, whose sum is σ = 3864978. Its totient is φ = 3864976.

The previous prime is 3864953. The next prime is 3864979. The reversal of 3864977 is 7794683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2119936 + 1745041 = 1456^2 + 1321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3864977 is a prime.

Together with 3864979, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3864979) 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, 1932488 + 1932489.

It is an arithmetic number, because the mean of its divisors is an integer number (1932489).

Almost surely, 2^3864977 is an apocalyptic number.

It is an amenable number.

3864977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864977 is an equidigital number, since it uses as much as digits as its factorization.

3864977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 3864977 is about 1965.9544755665. The cubic root of 3864977 is about 156.9334917833.

The spelling of 3864977 in words is "three million, eight hundred sixty-four thousand, nine hundred seventy-seven".