2821214616 has 32 divisors (see below), whose sum is σ = 7694222400. Its totient is φ = 854913440.

The previous prime is 2821214593. The next prime is 2821214647. The reversal of 2821214616 is 6164121282.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5342946 + ... + 5343473.

It is an arithmetic number, because the mean of its divisors is an integer number (240444450).

Almost surely, 2^2821214616 is an apocalyptic number.

It is an amenable number.

2821214616 is an abundant number, since it is smaller than the sum of its proper divisors (4873007784).

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

2821214616 is a wasteful number, since it uses less digits than its factorization.

2821214616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686439 (or 10686435 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 2821214616 is about 53115.1072294879. The cubic root of 2821214616 is about 1413.0104543572.

Adding to 2821214616 its reverse (6164121282), we get a palindrome (8985335898).

The spelling of 2821214616 in words is "two billion, eight hundred twenty-one million, two hundred fourteen thousand, six hundred sixteen".