93421481 has 4 divisors (see below), whose sum is σ = 93809364. Its totient is φ = 93033600.

The previous prime is 93421463. The next prime is 93421487. The reversal of 93421481 is 18412439.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36192256 + 57229225 = 6016^2 + 7565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93421481 is a prime.

It is a super-2 number, since 2×93421481² = 17455146224466722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93421487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193580 + ... + 194061.

It is an arithmetic number, because the mean of its divisors is an integer number (23452341).

Almost surely, 2^93421481 is an apocalyptic number.

It is an amenable number.

93421481 is a deficient number, since it is larger than the sum of its proper divisors (387883).

93421481 is a wasteful number, since it uses less digits than its factorization.

93421481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387882.

The product of its digits is 6912, while the sum is 32.

The square root of 93421481 is about 9665.4788293183. The cubic root of 93421481 is about 453.7488972847.

The spelling of 93421481 in words is "ninety-three million, four hundred twenty-one thousand, four hundred eighty-one".