104428 has 6 divisors (see below), whose sum is σ = 182756. Its totient is φ = 52212.

The previous prime is 104417. The next prime is 104459. The reversal of 104428 is 824401.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13050 + ... + 13057.

2¹⁰⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

104428 is a deficient number, since it is larger than the sum of its proper divisors (78328).

104428 is a wasteful number, since it uses less digits than its factorization.

104428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26111 (or 26109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 104428 is about 323.1532144355. The cubic root of 104428 is about 47.0911164377.

Adding to 104428 its reverse (824401), we get a palindrome (928829).

The spelling of 104428 in words is "one hundred four thousand, four hundred twenty-eight".