84549644 has 24 divisors (see below), whose sum is σ = 150242400. Its totient is φ = 41627520.

The previous prime is 84549629. The next prime is 84549691. The reversal of 84549644 is 44694548.

It is a junction number, because it is equal to n+sod(n) for n = 84549595 and 84549604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156014 + ... + 156554.

It is an arithmetic number, because the mean of its divisors is an integer number (6260100).

Almost surely, 2^84549644 is an apocalyptic number.

It is an amenable number.

84549644 is a deficient number, since it is larger than the sum of its proper divisors (65692756).

84549644 is a wasteful number, since it uses less digits than its factorization.

With its successor (84549645) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (1071).

With its successor (84549645) it forms an eRAP, since the sums of their prime factors are consecutive (1073 and 1074).

84549644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 84549644 is about 9195.0880365552. The cubic root of 84549644 is about 438.9050667920.

The spelling of 84549644 in words is "eighty-four million, five hundred forty-nine thousand, six hundred forty-four".