3445889 has 4 divisors (see below), whose sum is σ = 3451140. Its totient is φ = 3440640.

The previous prime is 3445873. The next prime is 3445907. The reversal of 3445889 is 9885443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 1392400 = 1433^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 3445889 - 2⁴ = 3445873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3445789) 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, 1472 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (862785).

Almost surely, 2^3445889 is an apocalyptic number.

It is an amenable number.

3445889 is a deficient number, since it is larger than the sum of its proper divisors (5251).

3445889 is an equidigital number, since it uses as much as digits as its factorization.

3445889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250.

The product of its digits is 138240, while the sum is 41.

The square root of 3445889 is about 1856.3105882368. The cubic root of 3445889 is about 151.0429391210.

It can be divided in two parts, 3445 and 889, that added together give a palindrome (4334).

The spelling of 3445889 in words is "three million, four hundred forty-five thousand, eight hundred eighty-nine".