2821251396 has 12 divisors (see below), whose sum is σ = 6582919952. Its totient is φ = 940417128.

The previous prime is 2821251383. The next prime is 2821251409. The reversal of 2821251396 is 6931521282.

It is an interprime number because it is at equal distance from previous prime (2821251383) and next prime (2821251409).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 117552130 + ... + 117552153.

Almost surely, 2^2821251396 is an apocalyptic number.

It is an amenable number.

2821251396 is an abundant number, since it is smaller than the sum of its proper divisors (3761668556).

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

2821251396 is a wasteful number, since it uses less digits than its factorization.

2821251396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235104290 (or 235104288 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 2821251396 is about 53115.4534575391. The cubic root of 2821251396 is about 1413.0165947738.

The spelling of 2821251396 in words is "two billion, eight hundred twenty-one million, two hundred fifty-one thousand, three hundred ninety-six".