3509248 has 44 divisors (see below), whose sum is σ = 7369200. Its totient is φ = 1667072.

The previous prime is 3509221. The next prime is 3509251. The reversal of 3509248 is 8429053.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23478 + ... + 23626.

Almost surely, 2^3509248 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 3509248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3684600).

3509248 is an abundant number, since it is smaller than the sum of its proper divisors (3859952).

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

3509248 is a wasteful number, since it uses less digits than its factorization.

3509248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3509248 is about 1873.2986948162. The cubic root of 3509248 is about 151.9630565803.

The spelling of 3509248 in words is "three million, five hundred nine thousand, two hundred forty-eight".