3509448 has 64 divisors (see below), whose sum is σ = 9331200. Its totient is φ = 1098240.

The previous prime is 3509437. The next prime is 3509449. The reversal of 3509448 is 8449053.

It is not an unprimeable number, because it can be changed into a prime (3509449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39388 + ... + 39476.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^3509448 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 3509448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4665600).

3509448 is an abundant number, since it is smaller than the sum of its proper divisors (5821752).

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

3509448 is a wasteful number, since it uses less digits than its factorization.

3509448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 3509448 is about 1873.3520758256. The cubic root of 3509448 is about 151.9659434318.

The spelling of 3509448 in words is "three million, five hundred nine thousand, four hundred forty-eight".