42984798 has 16 divisors (see below), whose sum is σ = 86486400. Its totient is φ = 14242136.

The previous prime is 42984797. The next prime is 42984803. The reversal of 42984798 is 89748924.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 42984798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42984797) 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, 20448 + ... + 22451.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^42984798 is an apocalyptic number.

42984798 is an abundant number, since it is smaller than the sum of its proper divisors (43501602).

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

42984798 is a wasteful number, since it uses less digits than its factorization.

42984798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43071.

The product of its digits is 1161216, while the sum is 51.

The square root of 42984798 is about 6556.2792802015. The cubic root of 42984798 is about 350.2985153915.

The spelling of 42984798 in words is "forty-two million, nine hundred eighty-four thousand, seven hundred ninety-eight".