93009091 has 8 divisors (see below), whose sum is σ = 112548960. Its totient is φ = 75032448.

The previous prime is 93009089. The next prime is 93009101. The reversal of 93009091 is 19090039.

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 93009091 - 2¹ = 93009089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93009031) 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 7 ways as a sum of consecutive naturals, for example, 390676 + ... + 390913.

It is an arithmetic number, because the mean of its divisors is an integer number (14068620).

Almost surely, 2^93009091 is an apocalyptic number.

93009091 is a deficient number, since it is larger than the sum of its proper divisors (19539869).

93009091 is a wasteful number, since it uses less digits than its factorization.

93009091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781613.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 93009091 is about 9644.1220958675. The cubic root of 93009091 is about 453.0802519172.

The spelling of 93009091 in words is "ninety-three million, nine thousand, ninety-one".