89884471 has 4 divisors (see below), whose sum is σ = 90570744. Its totient is φ = 89198200.

The previous prime is 89884463. The next prime is 89884477. The reversal of 89884471 is 17448898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89884471 - 2³ = 89884463 is a prime.

It is a super-3 number, since 3×89884471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89884477) 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, 342940 + ... + 343201.

It is an arithmetic number, because the mean of its divisors is an integer number (22642686).

Almost surely, 2^89884471 is an apocalyptic number.

89884471 is a deficient number, since it is larger than the sum of its proper divisors (686273).

89884471 is a wasteful number, since it uses less digits than its factorization.

89884471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686272.

The product of its digits is 516096, while the sum is 49.

The square root of 89884471 is about 9480.7421123032. The cubic root of 89884471 is about 447.9486398790.

The spelling of 89884471 in words is "eighty-nine million, eight hundred eighty-four thousand, four hundred seventy-one".