84243748 has 12 divisors (see below), whose sum is σ = 147518812. Its totient is φ = 42095520.

The previous prime is 84243727. The next prime is 84243767. The reversal of 84243748 is 84734248.

It can be written as a sum of positive squares in 2 ways, for example, as 36385024 + 47858724 = 6032^2 + 6918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84243748.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1786 + ... + 13102.

Almost surely, 2^84243748 is an apocalyptic number.

It is an amenable number.

84243748 is a deficient number, since it is larger than the sum of its proper divisors (63275064).

84243748 is a wasteful number, since it uses less digits than its factorization.

84243748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182 (or 13180 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 84243748 is about 9178.4393008833. The cubic root of 84243748 is about 438.3751156356.

The spelling of 84243748 in words is "eighty-four million, two hundred forty-three thousand, seven hundred forty-eight".