3195989 has 6 divisors (see below), whose sum is σ = 3237570. Its totient is φ = 3154896.

The previous prime is 3195977. The next prime is 3196001. The reversal of 3195989 is 9895913.

It is an interprime number because it is at equal distance from previous prime (3195977) and next prime (3196001).

It can be written as a sum of positive squares in 3 ways, for example, as 339889 + 2856100 = 583^2 + 1690^2 .

It is not a de Polignac number, because 3195989 - 2¹² = 3191893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3195589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11747 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (539595).

Almost surely, 2^3195989 is an apocalyptic number.

It is an amenable number.

3195989 is a deficient number, since it is larger than the sum of its proper divisors (41581).

3195989 is an equidigital number, since it uses as much as digits as its factorization.

3195989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 378 counting only the distinct ones).

The product of its digits is 87480, while the sum is 44.

The square root of 3195989 is about 1787.7329218874. The cubic root of 3195989 is about 147.2996648268.

The spelling of 3195989 in words is "three million, one hundred ninety-five thousand, nine hundred eighty-nine".