89801442 has 24 divisors (see below), whose sum is σ = 199829916. Its totient is φ = 29124576.

The previous prime is 89801441. The next prime is 89801471. The reversal of 89801442 is 24410898.

It can be written as a sum of positive squares in 2 ways, for example, as 88003161 + 1798281 = 9381^2 + 1341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 89801397 and 89801406.

It is not an unprimeable number, because it can be changed into a prime (89801441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66753 + ... + 68084.

Almost surely, 2^89801442 is an apocalyptic number.

89801442 is an abundant number, since it is smaller than the sum of its proper divisors (110028474).

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

89801442 is a wasteful number, since it uses less digits than its factorization.

89801442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134882 (or 134879 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 89801442 is about 9476.3622767389. The cubic root of 89801442 is about 447.8106694929.

The spelling of 89801442 in words is "eighty-nine million, eight hundred one thousand, four hundred forty-two".