93890011 has 4 divisors (see below), whose sum is σ = 94186512. Its totient is φ = 93593512.

The previous prime is 93889993. The next prime is 93890021. The reversal of 93890011 is 11009839.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11009839 = 773 ⋅14243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93890011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93890021) 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, 147775 + ... + 148408.

It is an arithmetic number, because the mean of its divisors is an integer number (23546628).

Almost surely, 2^93890011 is an apocalyptic number.

93890011 is a deficient number, since it is larger than the sum of its proper divisors (296501).

93890011 is a wasteful number, since it uses less digits than its factorization.

93890011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296500.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 93890011 is about 9689.6858050197. The cubic root of 93890011 is about 454.5061840510.

The spelling of 93890011 in words is "ninety-three million, eight hundred ninety thousand, eleven".