3489889 has 8 divisors (see below), whose sum is σ = 3888360. Its totient is φ = 3110016.

The previous prime is 3489883. The next prime is 3489907. The reversal of 3489889 is 9889843.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 3478225 = 108^2 + 1865^2 .

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

It is not a de Polignac number, because 3489889 - 2³ = 3489881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3489881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4252 + ... + 5005.

It is an arithmetic number, because the mean of its divisors is an integer number (486045).

Almost surely, 2^3489889 is an apocalyptic number.

It is an amenable number.

3489889 is a deficient number, since it is larger than the sum of its proper divisors (398471).

3489889 is a wasteful number, since it uses less digits than its factorization.

3489889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9299.

The product of its digits is 497664, while the sum is 49.

The square root of 3489889 is about 1868.1244605218. The cubic root of 3489889 is about 151.6831030504.

The spelling of 3489889 in words is "three million, four hundred eighty-nine thousand, eight hundred eighty-nine".