3396989 has 4 divisors (see below), whose sum is σ = 3408156. Its totient is φ = 3385824.

The previous prime is 3396983. The next prime is 3396997. The reversal of 3396989 is 9896933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9896933 = 277 ⋅35729.

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 2748964 = 805^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 3396989 - 2¹⁶ = 3331453 is a prime.

It is a super-2 number, since 2×3396989² = 23079068532242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3396983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5114 + ... + 5739.

It is an arithmetic number, because the mean of its divisors is an integer number (852039).

Almost surely, 2^3396989 is an apocalyptic number.

It is an amenable number.

3396989 is a deficient number, since it is larger than the sum of its proper divisors (11167).

3396989 is a wasteful number, since it uses less digits than its factorization.

3396989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166.

The product of its digits is 314928, while the sum is 47.

The square root of 3396989 is about 1843.0922386034. The cubic root of 3396989 is about 150.3250580359.

The spelling of 3396989 in words is "three million, three hundred ninety-six thousand, nine hundred eighty-nine".