84669648 has 60 divisors (see below), whose sum is σ = 254448000. Its totient is φ = 24190656.

The previous prime is 84669631. The next prime is 84669659. The reversal of 84669648 is 84696648.

It is a self number, because there is not a number n which added to its sum of digits gives 84669648.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 15648 + ... + 20351.

It is an arithmetic number, because the mean of its divisors is an integer number (4240800).

Almost surely, 2^84669648 is an apocalyptic number.

It is an amenable number.

84669648 is an abundant number, since it is smaller than the sum of its proper divisors (169778352).

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

84669648 is a wasteful number, since it uses less digits than its factorization.

84669648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36024 (or 36011 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 84669648 is about 9201.6111632692. The cubic root of 84669648 is about 439.1126192699.

Subtracting 84669648 from its reverse (84696648), we obtain a cube (27000 = 30³).

The spelling of 84669648 in words is "eighty-four million, six hundred sixty-nine thousand, six hundred forty-eight".