93905685 has 12 divisors (see below), whose sum is σ = 162769932. Its totient is φ = 50083008.

The previous prime is 93905681. The next prime is 93905687. The reversal of 93905685 is 58650939.

It can be written as a sum of positive squares in 2 ways, for example, as 55935441 + 37970244 = 7479^2 + 6162^2 .

It is not a de Polignac number, because 93905685 - 2² = 93905681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2086793 = 93905685 / (9 + 3 + 9 + 0 + 5 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 93905685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93905681) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1043352 + ... + 1043441.

It is an arithmetic number, because the mean of its divisors is an integer number (13564161).

Almost surely, 2^93905685 is an apocalyptic number.

It is an amenable number.

93905685 is a deficient number, since it is larger than the sum of its proper divisors (68864247).

93905685 is a wasteful number, since it uses less digits than its factorization.

93905685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086804 (or 2086801 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 93905685 is about 9690.4945694221. The cubic root of 93905685 is about 454.5314744003.

The spelling of 93905685 in words is "ninety-three million, nine hundred five thousand, six hundred eighty-five".