94518091 has 4 divisors (see below), whose sum is σ = 97072672. Its totient is φ = 91963512.

The previous prime is 94518077. The next prime is 94518119. The reversal of 94518091 is 19081549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19081549 = 97 ⋅196717.

It is a cyclic number.

It is not a de Polignac number, because 94518091 - 2¹¹ = 94516043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2554543 = 94518091 / (9 + 4 + 5 + 1 + 8 + 0 + 9 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94518091.

It is not an unprimeable number, because it can be changed into a prime (94518071) 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, 1277235 + ... + 1277308.

It is an arithmetic number, because the mean of its divisors is an integer number (24268168).

Almost surely, 2^94518091 is an apocalyptic number.

94518091 is a deficient number, since it is larger than the sum of its proper divisors (2554581).

94518091 is a wasteful number, since it uses less digits than its factorization.

94518091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554580.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 94518091 is about 9722.0415037172. The cubic root of 94518091 is about 455.5174100279.

The spelling of 94518091 in words is "ninety-four million, five hundred eighteen thousand, ninety-one".