3604322820 has 192 divisors, whose sum is σ = 11745699840. Its totient is φ = 808869888.

The previous prime is 3604322807. The next prime is 3604322831. The reversal of 3604322820 is 282234063.

It is a super-2 number, since 2×3604322820² = 25982285981545504800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6246372 + ... + 6246948.

It is an arithmetic number, because the mean of its divisors is an integer number (61175520).

Almost surely, 2^3604322820 is an apocalyptic number.

3604322820 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 3604322820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5872849920).

3604322820 is an abundant number, since it is smaller than the sum of its proper divisors (8141377020).

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

3604322820 is a wasteful number, since it uses less digits than its factorization.

3604322820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 3604322820 is about 60036.0126923832. The cubic root of 3604322820 is about 1533.2320671412.

Adding to 3604322820 its reverse (282234063), we get a palindrome (3886556883).

The spelling of 3604322820 in words is "three billion, six hundred four million, three hundred twenty-two thousand, eight hundred twenty".