3193989 has 8 divisors (see below), whose sum is σ = 4266912. Its totient is φ = 2125200.

The previous prime is 3193937. The next prime is 3193991. The reversal of 3193989 is 9893913.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3193989 - 2¹³ = 3185797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3193989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3193189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514 + ... + 3564.

It is an arithmetic number, because the mean of its divisors is an integer number (533364).

Almost surely, 2^3193989 is an apocalyptic number.

It is an amenable number.

3193989 is a deficient number, since it is larger than the sum of its proper divisors (1072923).

3193989 is a wasteful number, since it uses less digits than its factorization.

3193989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 52488, while the sum is 42.

The square root of 3193989 is about 1787.1734666786. The cubic root of 3193989 is about 147.2689324721.

The spelling of 3193989 in words is "three million, one hundred ninety-three thousand, nine hundred eighty-nine".