3576656820 has 96 divisors (see below), whose sum is σ = 10936074240. Its totient is φ = 866194560.

The previous prime is 3576656801. The next prime is 3576656821. The reversal of 3576656820 is 286566753.

It is a self number, because there is not a number n which added to its sum of digits gives 3576656820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3576656821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 857901 + ... + 862059.

It is an arithmetic number, because the mean of its divisors is an integer number (113917440).

Almost surely, 2^3576656820 is an apocalyptic number.

3576656820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3576656820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5468037120).

3576656820 is an abundant number, since it is smaller than the sum of its proper divisors (7359417420).

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

3576656820 is a wasteful number, since it uses less digits than its factorization.

3576656820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5485 (or 5483 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 3576656820 is about 59805.1571354846. The cubic root of 3576656820 is about 1529.2990680581.

The spelling of 3576656820 in words is "three billion, five hundred seventy-six million, six hundred fifty-six thousand, eight hundred twenty".