3306989 has 8 divisors (see below), whose sum is σ = 3797760. Its totient is φ = 2820816.

The previous prime is 3306977. The next prime is 3306991. The reversal of 3306989 is 9896033.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3306989 is a prime.

It is a super-2 number, since 2×3306989² = 21872352492242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3300989) 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, 572 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (474720).

Almost surely, 2^3306989 is an apocalyptic number.

It is an amenable number.

3306989 is a deficient number, since it is larger than the sum of its proper divisors (490771).

3306989 is a wasteful number, since it uses less digits than its factorization.

3306989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3306989 is about 1818.5128539551. The cubic root of 3306989 is about 148.9855848403.

The spelling of 3306989 in words is "three million, three hundred six thousand, nine hundred eighty-nine".