93821668 has 6 divisors (see below), whose sum is σ = 164187926. Its totient is φ = 46910832.

The previous prime is 93821647. The next prime is 93821671. The reversal of 93821668 is 86612839.

It can be written as a sum of positive squares in only one way, i.e., 85710564 + 8111104 = 9258^2 + 2848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727705 + ... + 11727712.

Almost surely, 2^93821668 is an apocalyptic number.

It is an amenable number.

93821668 is a deficient number, since it is larger than the sum of its proper divisors (70366258).

93821668 is a wasteful number, since it uses less digits than its factorization.

93821668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23455421 (or 23455419 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 93821668 is about 9686.1585780948. The cubic root of 93821668 is about 454.3958781882.

The spelling of 93821668 in words is "ninety-three million, eight hundred twenty-one thousand, six hundred sixty-eight".