98765442 has 48 divisors (see below), whose sum is σ = 222064128. Its totient is φ = 31691520.

The previous prime is 98765441. The next prime is 98765507. The reversal of 98765442 is 24456789.

It is a happy number.

It is a super-2 number, since 2×98765442² = 19509225066910728, which contains 22 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (98765441) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 146418 + ... + 147090.

It is an arithmetic number, because the mean of its divisors is an integer number (4626336).

Almost surely, 2^98765442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98765442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111032064).

98765442 is an abundant number, since it is smaller than the sum of its proper divisors (123298686).

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

98765442 is a wasteful number, since it uses less digits than its factorization.

98765442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 972 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 98765442 is about 9938.0803981453. The cubic root of 98765442 is about 462.2408650136.

The spelling of 98765442 in words is "ninety-eight million, seven hundred sixty-five thousand, four hundred forty-two".