3866977 has 2 divisors, whose sum is σ = 3866978. Its totient is φ = 3866976.

The previous prime is 3866969. The next prime is 3866983. The reversal of 3866977 is 7796683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2702736 + 1164241 = 1644^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 3866977 - 2³ = 3866969 is a prime.

It is a super-2 number, since 2×3866977² = 29907022237058, which contains 22 as substring.

It is a Chen prime.

3866977 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3866917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933488 + 1933489.

It is an arithmetic number, because the mean of its divisors is an integer number (1933489).

Almost surely, 2^3866977 is an apocalyptic number.

It is an amenable number.

3866977 is a deficient number, since it is larger than the sum of its proper divisors (1).

3866977 is an equidigital number, since it uses as much as digits as its factorization.

3866977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 3866977 is about 1966.4630685574. The cubic root of 3866977 is about 156.9605564429.

The spelling of 3866977 in words is "three million, eight hundred sixty-six thousand, nine hundred seventy-seven".