3868961 has 2 divisors, whose sum is σ = 3868962. Its totient is φ = 3868960.

The previous prime is 3868957. The next prime is 3868973. The reversal of 3868961 is 1698683.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3129361 + 739600 = 1769^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868961 - 2² = 3868957 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3868901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934480 + 1934481.

It is an arithmetic number, because the mean of its divisors is an integer number (1934481).

Almost surely, 2^3868961 is an apocalyptic number.

It is an amenable number.

3868961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868961 is an equidigital number, since it uses as much as digits as its factorization.

3868961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 3868961 is about 1966.9674628727. The cubic root of 3868961 is about 156.9873953666.

The spelling of 3868961 in words is "three million, eight hundred sixty-eight thousand, nine hundred sixty-one".