89449671 has 8 divisors (see below), whose sum is σ = 119697904. Its totient is φ = 59417280.

The previous prime is 89449667. The next prime is 89449687. The reversal of 89449671 is 17694498.

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

It is not a de Polignac number, because 89449671 - 2² = 89449667 is a prime.

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 89449671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89449271) 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, 52990 + ... + 54651.

It is an arithmetic number, because the mean of its divisors is an integer number (14962238).

Almost surely, 2^89449671 is an apocalyptic number.

89449671 is a deficient number, since it is larger than the sum of its proper divisors (30248233).

89449671 is a wasteful number, since it uses less digits than its factorization.

89449671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107921.

The product of its digits is 435456, while the sum is 48.

The square root of 89449671 is about 9457.7836198551. The cubic root of 89449671 is about 447.2251816998.

The spelling of 89449671 in words is "eighty-nine million, four hundred forty-nine thousand, six hundred seventy-one".