3458789 has 4 divisors (see below), whose sum is σ = 3478956. Its totient is φ = 3438624.

The previous prime is 3458783. The next prime is 3458821. The reversal of 3458789 is 9878543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9878543 = 263 ⋅37561.

It can be written as a sum of positive squares in 2 ways, for example, as 2666689 + 792100 = 1633^2 + 890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3458789 is a prime.

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

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 (3458783) 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, 9824 + ... + 10169.

It is an arithmetic number, because the mean of its divisors is an integer number (869739).

Almost surely, 2^3458789 is an apocalyptic number.

It is an amenable number.

3458789 is a deficient number, since it is larger than the sum of its proper divisors (20167).

3458789 is a wasteful number, since it uses less digits than its factorization.

3458789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20166.

The product of its digits is 241920, while the sum is 44.

The square root of 3458789 is about 1859.7819764693. The cubic root of 3458789 is about 151.2311854201.

The spelling of 3458789 in words is "three million, four hundred fifty-eight thousand, seven hundred eighty-nine".