93920481 has 12 divisors (see below), whose sum is σ = 135763108. Its totient is φ = 62567424.

The previous prime is 93920479. The next prime is 93920509. The reversal of 93920481 is 18402939.

93920481 is a `hidden beast` number, since 93 + 92 + 0 + 481 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 92332881 = 1260^2 + 9609^2 .

It is not a de Polignac number, because 93920481 - 2¹ = 93920479 is a prime.

It is a super-2 number, since 2×93920481² = 17642113502542722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (93920441) 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, 12801 + ... + 18753.

Almost surely, 2^93920481 is an apocalyptic number.

It is an amenable number.

93920481 is a deficient number, since it is larger than the sum of its proper divisors (41842627).

93920481 is a wasteful number, since it uses less digits than its factorization.

93920481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7712 (or 7709 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 93920481 is about 9691.2579678801. The cubic root of 93920481 is about 454.5553454951. Note that the first 3 decimals are identical.

The spelling of 93920481 in words is "ninety-three million, nine hundred twenty thousand, four hundred eighty-one".