89440666 has 8 divisors (see below), whose sum is σ = 153326880. Its totient is φ = 38331708.

The previous prime is 89440661. The next prime is 89440667. The reversal of 89440666 is 66604498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (89440661) 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, 3194296 + ... + 3194323.

It is an arithmetic number, because the mean of its divisors is an integer number (19165860).

Almost surely, 2^89440666 is an apocalyptic number.

89440666 is a deficient number, since it is larger than the sum of its proper divisors (63886214).

89440666 is a wasteful number, since it uses less digits than its factorization.

89440666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6388628.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 89440666 is about 9457.3075449623. The cubic root of 89440666 is about 447.2101736405.

The spelling of 89440666 in words is "eighty-nine million, four hundred forty thousand, six hundred sixty-six".