104019428 has 12 divisors (see below), whose sum is σ = 183151920. Its totient is φ = 51690312.

The previous prime is 104019407. The next prime is 104019437. The reversal of 104019428 is 824910401.

It is a self number, because there is not a number n which added to its sum of digits gives 104019428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79118 + ... + 80421.

It is an arithmetic number, because the mean of its divisors is an integer number (15262660).

Almost surely, 2^104019428 is an apocalyptic number.

It is an amenable number.

104019428 is a deficient number, since it is larger than the sum of its proper divisors (79132492).

104019428 is a wasteful number, since it uses less digits than its factorization.

104019428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159706 (or 159704 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 104019428 is about 10198.9915187728. The cubic root of 104019428 is about 470.2962188814.

Adding to 104019428 its reverse (824910401), we get a palindrome (928929829).

The spelling of 104019428 in words is "one hundred four million, nineteen thousand, four hundred twenty-eight".