3578389 has 4 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 3558220.

The previous prime is 3578383. The next prime is 3578437. The reversal of 3578389 is 9838753.

It is a happy number.

3578389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 9838753 = 457 ⋅21529.

It is a cyclic number.

It is not a de Polignac number, because 3578389 - 2⁷ = 3578261 is a prime.

It is an Ulam number.

It is a Duffinian number.

3578389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3578383) 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 3 ways as a sum of consecutive naturals, for example, 9817 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^3578389 is an apocalyptic number.

It is an amenable number.

3578389 is a deficient number, since it is larger than the sum of its proper divisors (20171).

3578389 is a wasteful number, since it uses less digits than its factorization.

3578389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20170.

The product of its digits is 181440, while the sum is 43.

The square root of 3578389 is about 1891.6630249598. The cubic root of 3578389 is about 152.9545908787.

The spelling of 3578389 in words is "three million, five hundred seventy-eight thousand, three hundred eighty-nine".