104829421 has 6 divisors (see below), whose sum is σ = 105289422. Its totient is φ = 104370840.

The previous prime is 104829391. The next prime is 104829427. The reversal of 104829421 is 124928401.

It can be written as a sum of positive squares in only one way, i.e., 56025225 + 48804196 = 7485^2 + 6986^2 .

It is not a de Polignac number, because 104829421 - 2¹⁹ = 104305133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104829427) 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 5 ways as a sum of consecutive naturals, for example, 209830 + ... + 210328.

It is an arithmetic number, because the mean of its divisors is an integer number (17548237).

Almost surely, 2^104829421 is an apocalyptic number.

It is an amenable number.

104829421 is a deficient number, since it is larger than the sum of its proper divisors (460001).

104829421 is an frugal number, since it uses more digits than its factorization.

104829421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 104829421 is about 10238.6239798129. The cubic root of 104829421 is about 471.5137866989.

The spelling of 104829421 in words is "one hundred four million, eight hundred twenty-nine thousand, four hundred twenty-one".