89841631 has 8 divisors (see below), whose sum is σ = 98077824. Its totient is φ = 81616920.

The previous prime is 89841629. The next prime is 89841641. The reversal of 89841631 is 13614898.

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

It is not a de Polignac number, because 89841631 - 2¹ = 89841629 is a prime.

It is a super-2 number, since 2×89841631² = 16143037321480322, which contains 22 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 (89841641) 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, 27760 + ... + 30826.

It is an arithmetic number, because the mean of its divisors is an integer number (12259728).

Almost surely, 2^89841631 is an apocalyptic number.

89841631 is a deficient number, since it is larger than the sum of its proper divisors (8236193).

89841631 is a wasteful number, since it uses less digits than its factorization.

89841631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741.

The product of its digits is 41472, while the sum is 40.

The square root of 89841631 is about 9478.4825262275. The cubic root of 89841631 is about 447.8774626999.

The spelling of 89841631 in words is "eighty-nine million, eight hundred forty-one thousand, six hundred thirty-one".