104618409 has 16 divisors (see below), whose sum is σ = 160677888. Its totient is φ = 59309712.

The previous prime is 104618407. The next prime is 104618411. The reversal of 104618409 is 904816401.

It is an interprime number because it is at equal distance from previous prime (104618407) and next prime (104618411).

It is not a de Polignac number, because 104618409 - 2¹ = 104618407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104618409.

It is not an unprimeable number, because it can be changed into a prime (104618401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16947 + ... + 22280.

It is an arithmetic number, because the mean of its divisors is an integer number (10042368).

Almost surely, 2^104618409 is an apocalyptic number.

It is an amenable number.

104618409 is a deficient number, since it is larger than the sum of its proper divisors (56059479).

104618409 is a wasteful number, since it uses less digits than its factorization.

104618409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364.

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

The square root of 104618409 is about 10228.3140839534. The cubic root of 104618409 is about 471.1972028648.

The spelling of 104618409 in words is "one hundred four million, six hundred eighteen thousand, four hundred nine".