93686428 has 24 divisors (see below), whose sum is σ = 180344304. Its totient is φ = 42582320.

The previous prime is 93686401. The next prime is 93686441. The reversal of 93686428 is 82468639.

It is a happy number.

It is a congruent number.

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, 3475 + ... + 14122.

It is an arithmetic number, because the mean of its divisors is an integer number (7514346).

Almost surely, 2^93686428 is an apocalyptic number.

It is an amenable number.

93686428 is a deficient number, since it is larger than the sum of its proper divisors (86657876).

93686428 is a wasteful number, since it uses less digits than its factorization.

93686428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634 (or 17610 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 93686428 is about 9679.1749648408. The cubic root of 93686428 is about 454.1774423315.

The spelling of 93686428 in words is "ninety-three million, six hundred eighty-six thousand, four hundred twenty-eight".