93399991 has 8 divisors (see below), whose sum is σ = 99092480. Its totient is φ = 87785208.

The previous prime is 93399959. The next prime is 93400001. The reversal of 93399991 is 19999339.

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 93399991 - 2⁵ = 93399959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93399391) 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, 16941 + ... + 21766.

It is an arithmetic number, because the mean of its divisors is an integer number (12386560).

Almost surely, 2^93399991 is an apocalyptic number.

93399991 is a deficient number, since it is larger than the sum of its proper divisors (5692489).

93399991 is a wasteful number, since it uses less digits than its factorization.

93399991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38853.

The product of its digits is 531441, while the sum is 52.

The square root of 93399991 is about 9664.3670770517. The cubic root of 93399991 is about 453.7141022480.

The spelling of 93399991 in words is "ninety-three million, three hundred ninety-nine thousand, nine hundred ninety-one".