42984128 has 28 divisors (see below), whose sum is σ = 93052392. Its totient is φ = 19537920.

The previous prime is 42984107. The next prime is 42984157. The reversal of 42984128 is 82148924.

It is a junction number, because it is equal to n+sod(n) for n = 42984091 and 42984100.

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, 29825 + ... + 31232.

Almost surely, 2^42984128 is an apocalyptic number.

It is an amenable number.

42984128 is an abundant number, since it is smaller than the sum of its proper divisors (50068264).

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

42984128 is a wasteful number, since it uses less digits than its factorization.

42984128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61080 (or 61070 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 42984128 is about 6556.2281839485. The cubic root of 42984128 is about 350.2966953587.

The spelling of 42984128 in words is "forty-two million, nine hundred eighty-four thousand, one hundred twenty-eight".