84749844 has 24 divisors (see below), whose sum is σ = 199196928. Its totient is φ = 28043200.

The previous prime is 84749843. The next prime is 84749849. The reversal of 84749844 is 44894748.

It is a junction number, because it is equal to n+sod(n) for n = 84749793 and 84749802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84749843) 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, 24132 + ... + 27419.

It is an arithmetic number, because the mean of its divisors is an integer number (8299872).

Almost surely, 2^84749844 is an apocalyptic number.

It is an amenable number.

84749844 is an abundant number, since it is smaller than the sum of its proper divisors (114447084).

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

84749844 is a wasteful number, since it uses less digits than its factorization.

84749844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51695 (or 51693 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 84749844 is about 9205.9678470001. The cubic root of 84749844 is about 439.2512126704.

The spelling of 84749844 in words is "eighty-four million, seven hundred forty-nine thousand, eight hundred forty-four".