104346721 has 8 divisors (see below), whose sum is σ = 107568000. Its totient is φ = 101167248.

The previous prime is 104346707. The next prime is 104346787. The reversal of 104346721 is 127643401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104346721 - 2¹¹ = 104344673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104346721.

It is not an unprimeable number, because it can be changed into a prime (104346701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5346 + ... + 15403.

It is an arithmetic number, because the mean of its divisors is an integer number (13446000).

Almost surely, 2^104346721 is an apocalyptic number.

It is an amenable number.

104346721 is a deficient number, since it is larger than the sum of its proper divisors (3221279).

104346721 is a wasteful number, since it uses less digits than its factorization.

104346721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20903.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 104346721 is about 10215.0242779937. The cubic root of 104346721 is about 470.7889585732.

The spelling of 104346721 in words is "one hundred four million, three hundred forty-six thousand, seven hundred twenty-one".