93427921 has 8 divisors (see below), whose sum is σ = 98616320. Its totient is φ = 88266672.

The previous prime is 93427907. The next prime is 93427951. The reversal of 93427921 is 12972439.

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 93427921 - 2⁷ = 93427793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93427951) 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, 496 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (12327040).

Almost surely, 2^93427921 is an apocalyptic number.

It is an amenable number.

93427921 is a deficient number, since it is larger than the sum of its proper divisors (5188399).

93427921 is a wasteful number, since it uses less digits than its factorization.

93427921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575.

The product of its digits is 27216, while the sum is 37.

The square root of 93427921 is about 9665.8119679621. The cubic root of 93427921 is about 453.7593234227.

The spelling of 93427921 in words is "ninety-three million, four hundred twenty-seven thousand, nine hundred twenty-one".