89943811 has 8 divisors (see below), whose sum is σ = 91348560. Its totient is φ = 88543872.

The previous prime is 89943793. The next prime is 89943817. The reversal of 89943811 is 11834998.

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 89943811 - 2²¹ = 87846659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89943817) 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, 58296 + ... + 59818.

It is an arithmetic number, because the mean of its divisors is an integer number (11418570).

Almost surely, 2^89943811 is an apocalyptic number.

89943811 is a deficient number, since it is larger than the sum of its proper divisors (1404749).

89943811 is a wasteful number, since it uses less digits than its factorization.

89943811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405.

The product of its digits is 62208, while the sum is 43.

The square root of 89943811 is about 9483.8710978165. The cubic root of 89943811 is about 448.0471938883.

The spelling of 89943811 in words is "eighty-nine million, nine hundred forty-three thousand, eight hundred eleven".