2821929804 has 36 divisors (see below), whose sum is σ = 7150274040. Its totient is φ = 938393280.

The previous prime is 2821929797. The next prime is 2821929833. The reversal of 2821929804 is 4089291282.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2821929804³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2821929804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78457 + ... + 108624.

Almost surely, 2^2821929804 is an apocalyptic number.

It is an amenable number.

2821929804 is an abundant number, since it is smaller than the sum of its proper divisors (4328344236).

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

2821929804 is a wasteful number, since it uses less digits than its factorization.

2821929804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187510 (or 187505 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2821929804 is about 53121.8392377372. The cubic root of 2821929804 is about 1413.1298453379.

The spelling of 2821929804 in words is "two billion, eight hundred twenty-one million, nine hundred twenty-nine thousand, eight hundred four".