42986248 has 8 divisors (see below), whose sum is σ = 80599230. Its totient is φ = 21493120.

The previous prime is 42986231. The next prime is 42986249. The reversal of 42986248 is 84268924.

42986248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 4571044 = 6198^2 + 2138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42986249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2686633 + ... + 2686648.

Almost surely, 2^42986248 is an apocalyptic number.

It is an amenable number.

42986248 is a deficient number, since it is larger than the sum of its proper divisors (37612982).

42986248 is a wasteful number, since it uses less digits than its factorization.

42986248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373287 (or 5373283 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 42986248 is about 6556.3898602813. The cubic root of 42986248 is about 350.3024542037.

It can be divided in two parts, 42986 and 248, that added together give a palindrome (43234).

The spelling of 42986248 in words is "forty-two million, nine hundred eighty-six thousand, two hundred forty-eight".