2828684621 has 64 divisors (see below), whose sum is σ = 3700961280. Its totient is φ = 2105671680.

The previous prime is 2828684567. The next prime is 2828684629. The reversal of 2828684621 is 1264868282.

It is a happy number.

It is not a de Polignac number, because 2828684621 - 2⁶ = 2828684557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828684629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14656301 + ... + 14656493.

It is an arithmetic number, because the mean of its divisors is an integer number (57827520).

Almost surely, 2^2828684621 is an apocalyptic number.

It is an amenable number.

2828684621 is a deficient number, since it is larger than the sum of its proper divisors (872276659).

2828684621 is a wasteful number, since it uses less digits than its factorization.

2828684621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its digits is 589824, while the sum is 47.

The square root of 2828684621 is about 53185.3797673759. The cubic root of 2828684621 is about 1414.2564771131.

The spelling of 2828684621 in words is "two billion, eight hundred twenty-eight million, six hundred eighty-four thousand, six hundred twenty-one".