3430789 has 4 divisors (see below), whose sum is σ = 3441024. Its totient is φ = 3420556.

The previous prime is 3430783. The next prime is 3430813. The reversal of 3430789 is 9870343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9870343 = 7 ⋅1410049.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3430789 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430783) 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, 4597 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (860256).

Almost surely, 2^3430789 is an apocalyptic number.

It is an amenable number.

3430789 is a deficient number, since it is larger than the sum of its proper divisors (10235).

3430789 is an equidigital number, since it uses as much as digits as its factorization.

3430789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3430789 is about 1852.2389154750. The cubic root of 3430789 is about 150.8219910141.

The spelling of 3430789 in words is "three million, four hundred thirty thousand, seven hundred eighty-nine".