42828086 has 16 divisors (see below), whose sum is σ = 75128064. Its totient is φ = 17927784.

The previous prime is 42828073. The next prime is 42828089. The reversal of 42828086 is 68082824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42828089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34970 + ... + 36173.

It is an arithmetic number, because the mean of its divisors is an integer number (4695504).

Almost surely, 2^42828086 is an apocalyptic number.

42828086 is a deficient number, since it is larger than the sum of its proper divisors (32299978).

42828086 is a wasteful number, since it uses less digits than its factorization.

42828086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71195.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 42828086 is about 6544.3170766704. The cubic root of 42828086 is about 349.8722962678.

The spelling of 42828086 in words is "forty-two million, eight hundred twenty-eight thousand, eighty-six".