821082696 has 32 divisors (see below), whose sum is σ = 2345951040. Its totient is φ = 234595008.

The previous prime is 821082683. The next prime is 821082707. The reversal of 821082696 is 696280128.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443531 + ... + 2443866.

It is an arithmetic number, because the mean of its divisors is an integer number (73310970).

Almost surely, 2^821082696 is an apocalyptic number.

It is an amenable number.

821082696 is an abundant number, since it is smaller than the sum of its proper divisors (1524868344).

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

821082696 is a wasteful number, since it uses less digits than its factorization.

821082696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887413 (or 4887409 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 821082696 is about 28654.5405826023. The cubic root of 821082696 is about 936.4019294348.

The spelling of 821082696 in words is "eight hundred twenty-one million, eighty-two thousand, six hundred ninety-six".