3489444 has 72 divisors (see below), whose sum is σ = 10291008. Its totient is φ = 976320.

The previous prime is 3489413. The next prime is 3489457. The reversal of 3489444 is 4449843.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3489399 and 3489408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15259 + ... + 15485.

Almost surely, 2^3489444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3489444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5145504).

3489444 is an abundant number, since it is smaller than the sum of its proper divisors (6801564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3489444 is a wasteful number, since it uses less digits than its factorization.

3489444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 300 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 3489444 is about 1868.0053533114. The cubic root of 3489444 is about 151.6766556772.

The spelling of 3489444 in words is "three million, four hundred eighty-nine thousand, four hundred forty-four".