100440084 has 24 divisors (see below), whose sum is σ = 234547488. Its totient is φ = 33453280.

The previous prime is 100440083. The next prime is 100440091. The reversal of 100440084 is 480044001.

It is a self number, because there is not a number n which added to its sum of digits gives 100440084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100440083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17494 + ... + 22514.

It is an arithmetic number, because the mean of its divisors is an integer number (9772812).

Almost surely, 2^100440084 is an apocalyptic number.

It is an amenable number.

100440084 is an abundant number, since it is smaller than the sum of its proper divisors (134107404).

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

100440084 is a wasteful number, since it uses less digits than its factorization.

100440084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695 (or 6693 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 100440084 is about 10021.9800438835. The cubic root of 100440084 is about 464.8387832844.

Adding to 100440084 its reverse (480044001), we get a palindrome (580484085).

The spelling of 100440084 in words is "one hundred million, four hundred forty thousand, eighty-four".