93043921 has 4 divisors (see below), whose sum is σ = 93070144. Its totient is φ = 93017700.

The previous prime is 93043897. The next prime is 93043933. The reversal of 93043921 is 12934039.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 93043921 - 2⁵ = 93043889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93043421) 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, 6765 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (23267536).

Almost surely, 2^93043921 is an apocalyptic number.

It is an amenable number.

93043921 is a deficient number, since it is larger than the sum of its proper divisors (26223).

93043921 is a wasteful number, since it uses less digits than its factorization.

93043921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 93043921 is about 9645.9276899633. The cubic root of 93043921 is about 453.1368012844.

It can be divided in two parts, 9304 and 3921, that added together give a square (13225 = 115²).

The spelling of 93043921 in words is "ninety-three million, forty-three thousand, nine hundred twenty-one".