821326682 has 16 divisors (see below), whose sum is σ = 1352240352. Its totient is φ = 371038320.

The previous prime is 821326657. The next prime is 821326691. The reversal of 821326682 is 286623128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110933 + ... + 118104.

It is an arithmetic number, because the mean of its divisors is an integer number (84515022).

Almost surely, 2^821326682 is an apocalyptic number.

821326682 is a deficient number, since it is larger than the sum of its proper divisors (530913670).

821326682 is a wasteful number, since it uses less digits than its factorization.

821326682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229213.

The product of its digits is 55296, while the sum is 38.

The square root of 821326682 is about 28658.7976370259. The cubic root of 821326682 is about 936.4946713458.

The spelling of 821326682 in words is "eight hundred twenty-one million, three hundred twenty-six thousand, six hundred eighty-two".