3189961 has 2 divisors, whose sum is σ = 3189962. Its totient is φ = 3189960.

The previous prime is 3189943. The next prime is 3189973. The reversal of 3189961 is 1699813.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2996361 + 193600 = 1731^2 + 440^2 .

It is a cyclic number.

It is not a de Polignac number, because 3189961 - 2⁷ = 3189833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3189961.

It is not a weakly prime, because it can be changed into another prime (3189061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594980 + 1594981.

It is an arithmetic number, because the mean of its divisors is an integer number (1594981).

Almost surely, 2^3189961 is an apocalyptic number.

It is an amenable number.

3189961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3189961 is an equidigital number, since it uses as much as digits as its factorization.

3189961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 37.

The square root of 3189961 is about 1786.0461920118. The cubic root of 3189961 is about 147.2069985498.

The spelling of 3189961 in words is "three million, one hundred eighty-nine thousand, nine hundred sixty-one".