3529797820 has 24 divisors (see below), whose sum is σ = 7414407504. Its totient is φ = 1411570176.

The previous prime is 3529797811. The next prime is 3529797823. The reversal of 3529797820 is 287979253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3529797823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70707 + ... + 109813.

It is an arithmetic number, because the mean of its divisors is an integer number (308933646).

Almost surely, 2^3529797820 is an apocalyptic number.

It is an amenable number.

3529797820 is an abundant number, since it is smaller than the sum of its proper divisors (3884609684).

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

3529797820 is a wasteful number, since it uses less digits than its factorization.

3529797820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43629 (or 43627 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 3529797820 is about 59412.1016292136. The cubic root of 3529797820 is about 1522.5910648245.

The spelling of 3529797820 in words is "three billion, five hundred twenty-nine million, seven hundred ninety-seven thousand, eight hundred twenty".