100504434 has 16 divisors (see below), whose sum is σ = 209748672. Its totient is φ = 32044848.

The previous prime is 100504423. The next prime is 100504463. The reversal of 100504434 is 434405001.

It is a super-2 number, since 2×100504434² = 20202282507320712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100504434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364009 + ... + 364284.

It is an arithmetic number, because the mean of its divisors is an integer number (13109292).

Almost surely, 2^100504434 is an apocalyptic number.

100504434 is an abundant number, since it is smaller than the sum of its proper divisors (109244238).

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

100504434 is a wasteful number, since it uses less digits than its factorization.

100504434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728321.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 100504434 is about 10025.1899732624. The cubic root of 100504434 is about 464.9380331346.

Adding to 100504434 its reverse (434405001), we get a palindrome (534909435).

The spelling of 100504434 in words is "one hundred million, five hundred four thousand, four hundred thirty-four".