93084991 has 4 divisors (see below), whose sum is σ = 93248584. Its totient is φ = 92921400.

The previous prime is 93084967. The next prime is 93084997. The reversal of 93084991 is 19948039.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19948039 = 271 ⋅73609.

It is a cyclic number.

It is not a de Polignac number, because 93084991 - 2¹³ = 93076799 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 (93084997) 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, 80940 + ... + 82081.

It is an arithmetic number, because the mean of its divisors is an integer number (23312146).

It is the magic constant of a 571 × 571 magic square.

Almost surely, 2^93084991 is an apocalyptic number.

93084991 is a deficient number, since it is larger than the sum of its proper divisors (163593).

93084991 is a wasteful number, since it uses less digits than its factorization.

93084991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163592.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 93084991 is about 9648.0563327543. The cubic root of 93084991 is about 453.2034636759.

The spelling of 93084991 in words is "ninety-three million, eighty-four thousand, nine hundred ninety-one".