93920091 has 4 divisors (see below), whose sum is σ = 125226792. Its totient is φ = 62613392.

The previous prime is 93920083. The next prime is 93920093. The reversal of 93920091 is 19002939.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 93920091 - 2³ = 93920083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93920093) 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, 15653346 + ... + 15653351.

It is an arithmetic number, because the mean of its divisors is an integer number (31306698).

Almost surely, 2^93920091 is an apocalyptic number.

93920091 is a deficient number, since it is larger than the sum of its proper divisors (31306701).

93920091 is a wasteful number, since it uses less digits than its factorization.

93920091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31306700.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 93920091 is about 9691.2378466324. The cubic root of 93920091 is about 454.5547163216.

The spelling of 93920091 in words is "ninety-three million, nine hundred twenty thousand, ninety-one".