89421634 has 4 divisors (see below), whose sum is σ = 134132454. Its totient is φ = 44710816.

The previous prime is 89421623. The next prime is 89421641. The reversal of 89421634 is 43612498.

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

It can be written as a sum of positive squares in only one way, i.e., 66830625 + 22591009 = 8175^2 + 4753^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89421593 and 89421602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22355407 + ... + 22355410.

Almost surely, 2^89421634 is an apocalyptic number.

89421634 is a deficient number, since it is larger than the sum of its proper divisors (44710820).

89421634 is a wasteful number, since it uses less digits than its factorization.

89421634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44710819.

The product of its digits is 41472, while the sum is 37.

The square root of 89421634 is about 9456.3012853864. The cubic root of 89421634 is about 447.1784509048.

The spelling of 89421634 in words is "eighty-nine million, four hundred twenty-one thousand, six hundred thirty-four".