2821434236 has 12 divisors (see below), whose sum is σ = 4957999200. Its totient is φ = 1404863040.

The previous prime is 2821434233. The next prime is 2821434269. The reversal of 2821434236 is 6324341282.

It is a super-2 number, since 2×2821434236² = 15920982296145807392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2821434196 and 2821434205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821434233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462436 + ... + 1464363.

It is an arithmetic number, because the mean of its divisors is an integer number (413166600).

Almost surely, 2^2821434236 is an apocalyptic number.

It is an amenable number.

2821434236 is a deficient number, since it is larger than the sum of its proper divisors (2136564964).

2821434236 is a wasteful number, since it uses less digits than its factorization.

2821434236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927044 (or 2927042 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 2821434236 is about 53117.1745860037. The cubic root of 2821434236 is about 1413.0471190975.

The spelling of 2821434236 in words is "two billion, eight hundred twenty-one million, four hundred thirty-four thousand, two hundred thirty-six".