104146428 has 24 divisors (see below), whose sum is σ = 243370960. Its totient is φ = 34663680.

The previous prime is 104146349. The next prime is 104146433. The reversal of 104146428 is 824641401.

It is a junction number, because it is equal to n+sod(n) for n = 104146395 and 104146404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 14628.

Almost surely, 2^104146428 is an apocalyptic number.

It is an amenable number.

104146428 is an abundant number, since it is smaller than the sum of its proper divisors (139224532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104146428 is a wasteful number, since it uses less digits than its factorization.

104146428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957 (or 12955 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 104146428 is about 10205.2157253044. The cubic root of 104146428 is about 470.4875399636.

Adding to 104146428 its reverse (824641401), we get a palindrome (928787829).

The spelling of 104146428 in words is "one hundred four million, one hundred forty-six thousand, four hundred twenty-eight".