89855436 has 48 divisors (see below), whose sum is σ = 234315648. Its totient is φ = 26563200.

The previous prime is 89855431. The next prime is 89855461. The reversal of 89855436 is 63455898.

It is a happy number.

It is a super-3 number, since 3×89855436³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (89855431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (4881576).

Almost surely, 2^89855436 is an apocalyptic number.

It is an amenable number.

89855436 is an abundant number, since it is smaller than the sum of its proper divisors (144460212).

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

89855436 is a wasteful number, since it uses less digits than its factorization.

89855436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16662 (or 16660 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 89855436 is about 9479.2107266375. The cubic root of 89855436 is about 447.9004017006.

The spelling of 89855436 in words is "eighty-nine million, eight hundred fifty-five thousand, four hundred thirty-six".