3528056856 has 128 divisors (see below), whose sum is σ = 9246585600. Its totient is φ = 1120780800.

The previous prime is 3528056849. The next prime is 3528056867. The reversal of 3528056856 is 6586508253.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12466491 + ... + 12466773.

It is an arithmetic number, because the mean of its divisors is an integer number (72238950).

Almost surely, 2^3528056856 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 3528056856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4623292800).

3528056856 is an abundant number, since it is smaller than the sum of its proper divisors (5718528744).

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

3528056856 is a wasteful number, since it uses less digits than its factorization.

3528056856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The square root of 3528056856 is about 59397.4482280173. The cubic root of 3528056856 is about 1522.3406999509.

The spelling of 3528056856 in words is "three billion, five hundred twenty-eight million, fifty-six thousand, eight hundred fifty-six".