100864419 has 4 divisors (see below), whose sum is σ = 134485896. Its totient is φ = 67242944.

The previous prime is 100864403. The next prime is 100864427. The reversal of 100864419 is 914468001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100864419 - 2⁴ = 100864403 is a prime.

It is a super-2 number, since 2×100864419² = 20347262040415122, 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 100864419.

It is not an unprimeable number, because it can be changed into a prime (100864219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16810734 + ... + 16810739.

It is an arithmetic number, because the mean of its divisors is an integer number (33621474).

Almost surely, 2^100864419 is an apocalyptic number.

100864419 is a deficient number, since it is larger than the sum of its proper divisors (33621477).

100864419 is an equidigital number, since it uses as much as digits as its factorization.

100864419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33621476.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 100864419 is about 10043.1279490007. The cubic root of 100864419 is about 465.4924739667.

The spelling of 100864419 in words is "one hundred million, eight hundred sixty-four thousand, four hundred nineteen".