104238019 has 4 divisors (see below), whose sum is σ = 104767344. Its totient is φ = 103708696.

The previous prime is 104238007. The next prime is 104238097. The reversal of 104238019 is 910832401.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104238019 is a prime.

It is a super-2 number, since 2×104238019² = 21731129210088722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104238419) 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, 264367 + ... + 264760.

It is an arithmetic number, because the mean of its divisors is an integer number (26191836).

Almost surely, 2^104238019 is an apocalyptic number.

104238019 is a deficient number, since it is larger than the sum of its proper divisors (529325).

104238019 is an equidigital number, since it uses as much as digits as its factorization.

104238019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529324.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 104238019 is about 10209.7021993788. The cubic root of 104238019 is about 470.6254221064.

The spelling of 104238019 in words is "one hundred four million, two hundred thirty-eight thousand, nineteen".