93666481 has 8 divisors (see below), whose sum is σ = 99268200. Its totient is φ = 88075008.

The previous prime is 93666473. The next prime is 93666493. The reversal of 93666481 is 18466639.

It can be written as a sum of positive squares in 4 ways, for example, as 5475600 + 88190881 = 2340^2 + 9391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93666481 - 2³ = 93666473 is a prime.

It is a super-2 number, since 2×93666481² = 17546819325846722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93666421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24555 + ... + 28111.

It is an arithmetic number, because the mean of its divisors is an integer number (12408525).

Almost surely, 2^93666481 is an apocalyptic number.

It is an amenable number.

93666481 is a deficient number, since it is larger than the sum of its proper divisors (5601719).

93666481 is a wasteful number, since it uses less digits than its factorization.

93666481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123.

The product of its digits is 186624, while the sum is 43.

The square root of 93666481 is about 9678.1445019177. The cubic root of 93666481 is about 454.1452067108.

The spelling of 93666481 in words is "ninety-three million, six hundred sixty-six thousand, four hundred eighty-one".