104640104 has 16 divisors (see below), whose sum is σ = 196548900. Its totient is φ = 52227072.

The previous prime is 104640101. The next prime is 104640119. The reversal of 104640104 is 401046401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65577604 + 39062500 = 8098^2 + 6250^2 .

It is not an unprimeable number, because it can be changed into a prime (104640101) 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, 6719 + ... + 15950.

Almost surely, 2^104640104 is an apocalyptic number.

It is an amenable number.

104640104 is a deficient number, since it is larger than the sum of its proper divisors (91908796).

104640104 is a wasteful number, since it uses less digits than its factorization.

104640104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23252 (or 23248 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104640104 is about 10229.3745654365. The cubic root of 104640104 is about 471.2297717561.

Adding to 104640104 its reverse (401046401), we get a palindrome (505686505).

The spelling of 104640104 in words is "one hundred four million, six hundred forty thousand, one hundred four".