93381621 has 8 divisors (see below), whose sum is σ = 127158144. Its totient is φ = 60929760.

The previous prime is 93381583. The next prime is 93381643. The reversal of 93381621 is 12618339.

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

It is not a de Polignac number, because 93381621 - 2⁹ = 93381109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93341621) 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, 331000 + ... + 331281.

It is an arithmetic number, because the mean of its divisors is an integer number (15894768).

Almost surely, 2^93381621 is an apocalyptic number.

It is an amenable number.

93381621 is a deficient number, since it is larger than the sum of its proper divisors (33776523).

93381621 is a wasteful number, since it uses less digits than its factorization.

93381621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662331.

The product of its digits is 7776, while the sum is 33.

The square root of 93381621 is about 9663.4166318130. The cubic root of 93381621 is about 453.6843546558.

The spelling of 93381621 in words is "ninety-three million, three hundred eighty-one thousand, six hundred twenty-one".