89919842 has 8 divisors (see below), whose sum is σ = 138525276. Its totient is φ = 43744752.

The previous prime is 89919833. The next prime is 89919881. The reversal of 89919842 is 24891998.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61606801 + 28313041 = 7849^2 + 5321^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607493 + ... + 607640.

Almost surely, 2^89919842 is an apocalyptic number.

89919842 is a deficient number, since it is larger than the sum of its proper divisors (48605434).

89919842 is a wasteful number, since it uses less digits than its factorization.

89919842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215172.

The product of its digits is 373248, while the sum is 50.

The square root of 89919842 is about 9482.6073418654. The cubic root of 89919842 is about 448.0073905297.

The spelling of 89919842 in words is "eighty-nine million, nine hundred nineteen thousand, eight hundred forty-two".