89355642 has 16 divisors (see below), whose sum is σ = 180865440. Its totient is φ = 29426192.

The previous prime is 89355631. The next prime is 89355649. The reversal of 89355642 is 24655398.

It is a junction number, because it is equal to n+sod(n) for n = 89355594 and 89355603.

It is not an unprimeable number, because it can be changed into a prime (89355649) 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, 89217 + ... + 90212.

It is an arithmetic number, because the mean of its divisors is an integer number (11304090).

Almost surely, 2^89355642 is an apocalyptic number.

89355642 is an abundant number, since it is smaller than the sum of its proper divisors (91509798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89355642 is a wasteful number, since it uses less digits than its factorization.

89355642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179517.

The product of its digits is 259200, while the sum is 42.

The square root of 89355642 is about 9452.8113278537. The cubic root of 89355642 is about 447.0684198778.

The spelling of 89355642 in words is "eighty-nine million, three hundred fifty-five thousand, six hundred forty-two".