3420789 has 8 divisors (see below), whose sum is σ = 4569600. Its totient is φ = 2276256.

The previous prime is 3420787. The next prime is 3420793. The reversal of 3420789 is 9870243.

3420789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3420789 - 2¹ = 3420787 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (571200).

Almost surely, 2^3420789 is an apocalyptic number.

It is an amenable number.

3420789 is a deficient number, since it is larger than the sum of its proper divisors (1148811).

3420789 is a wasteful number, since it uses less digits than its factorization.

3420789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3420789 is about 1849.5375097575. The cubic root of 3420789 is about 150.6753106961.

The spelling of 3420789 in words is "three million, four hundred twenty thousand, seven hundred eighty-nine".