3520285328 has 40 divisors (see below), whose sum is σ = 7806667008. Its totient is φ = 1506419712.

The previous prime is 3520285303. The next prime is 3520285331. The reversal of 3520285328 is 8235820253.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3520285291 and 3520285300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52025 + ... + 98727.

Almost surely, 2^3520285328 is an apocalyptic number.

It is an amenable number.

3520285328 is an abundant number, since it is smaller than the sum of its proper divisors (4286381680).

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

3520285328 is a wasteful number, since it uses less digits than its factorization.

3520285328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47391 (or 47385 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 3520285328 is about 59331.9924492680. The cubic root of 3520285328 is about 1521.2220850433. Note that the first 3 decimals are identical.

The spelling of 3520285328 in words is "three billion, five hundred twenty million, two hundred eighty-five thousand, three hundred twenty-eight".