104689428 has 24 divisors (see below), whose sum is σ = 250878432. Its totient is φ = 33953184.

The previous prime is 104689427. The next prime is 104689447. The reversal of 104689428 is 824986401.

It is a self number, because there is not a number n which added to its sum of digits gives 104689428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104689427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117450 + ... + 118337.

It is an arithmetic number, because the mean of its divisors is an integer number (10453268).

Almost surely, 2^104689428 is an apocalyptic number.

It is an amenable number.

104689428 is an abundant number, since it is smaller than the sum of its proper divisors (146189004).

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

104689428 is a wasteful number, since it uses less digits than its factorization.

104689428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235831 (or 235829 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 104689428 is about 10231.7851814823. The cubic root of 104689428 is about 471.3038010092.

The spelling of 104689428 in words is "one hundred four million, six hundred eighty-nine thousand, four hundred twenty-eight".