104208619 has 2 divisors, whose sum is σ = 104208620. Its totient is φ = 104208618.

The previous prime is 104208563. The next prime is 104208631. The reversal of 104208619 is 916802401.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104208619 - 2⁷ = 104208491 is a prime.

It is a super-2 number, since 2×104208619² = 21718872547774322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104208649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52104309 + 52104310.

It is an arithmetic number, because the mean of its divisors is an integer number (52104310).

Almost surely, 2^104208619 is an apocalyptic number.

104208619 is a deficient number, since it is larger than the sum of its proper divisors (1).

104208619 is an equidigital number, since it uses as much as digits as its factorization.

104208619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 104208619 is about 10208.2622909093. The cubic root of 104208619 is about 470.5811718140.

The spelling of 104208619 in words is "one hundred four million, two hundred eight thousand, six hundred nineteen".