100428076 has 12 divisors (see below), whose sum is σ = 200856208. Its totient is φ = 43040592.

The previous prime is 100428059. The next prime is 100428079. The reversal of 100428076 is 670824001.

100428076 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 3586717 = 100428076 / (1 + 0 + 0 + 4 + 2 + 8 + 0 + 7 + 6).

It is not an unprimeable number, because it can be changed into a prime (100428079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793331 + ... + 1793386.

Almost surely, 2^100428076 is an apocalyptic number.

It is an amenable number.

100428076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100428076 is a wasteful number, since it uses less digits than its factorization.

100428076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586728 (or 3586726 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 100428076 is about 10021.3809427643. The cubic root of 100428076 is about 464.8202581221.

The spelling of 100428076 in words is "one hundred million, four hundred twenty-eight thousand, seventy-six".