3433989 has 16 divisors (see below), whose sum is σ = 4967424. Its totient is φ = 2097600.

The previous prime is 3433979. The next prime is 3434047. The reversal of 3433989 is 9893343.

It is not a de Polignac number, because 3433989 - 2⁴ = 3433973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3433909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7219 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (310464).

Almost surely, 2^3433989 is an apocalyptic number.

3433989 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3433989 is a deficient number, since it is larger than the sum of its proper divisors (1533435).

3433989 is a wasteful number, since it uses less digits than its factorization.

3433989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 69984, while the sum is 39.

The square root of 3433989 is about 1853.1025335906. The cubic root of 3433989 is about 150.8688685103.

The spelling of 3433989 in words is "three million, four hundred thirty-three thousand, nine hundred eighty-nine".