104639467 has 4 divisors (see below), whose sum is σ = 104660136. Its totient is φ = 104618800.

The previous prime is 104639449. The next prime is 104639497. The reversal of 104639467 is 764936401.

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-104639467 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104639497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2967 + ... + 14767.

It is an arithmetic number, because the mean of its divisors is an integer number (26165034).

Almost surely, 2^104639467 is an apocalyptic number.

104639467 is a deficient number, since it is larger than the sum of its proper divisors (20669).

104639467 is an equidigital number, since it uses as much as digits as its factorization.

104639467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20668.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 104639467 is about 10229.3434295658. The cubic root of 104639467 is about 471.2288155454.

The spelling of 104639467 in words is "one hundred four million, six hundred thirty-nine thousand, four hundred sixty-seven".