42858284 has 48 divisors (see below), whose sum is σ = 90269760. Its totient is φ = 17418240.

The previous prime is 42858203. The next prime is 42858289. The reversal of 42858284 is 48285824.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (42858289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41972 + ... + 42980.

It is an arithmetic number, because the mean of its divisors is an integer number (1880620).

Almost surely, 2^42858284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42858284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45134880).

42858284 is an abundant number, since it is smaller than the sum of its proper divisors (47411476).

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

42858284 is a wasteful number, since it uses less digits than its factorization.

42858284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098 (or 1096 counting only the distinct ones).

The product of its digits is 163840, while the sum is 41.

The square root of 42858284 is about 6546.6238627250. The cubic root of 42858284 is about 349.9545083731.

The spelling of 42858284 in words is "forty-two million, eight hundred fifty-eight thousand, two hundred eighty-four".