84210648 has 32 divisors (see below), whose sum is σ = 212049600. Its totient is φ = 27867168.

The previous prime is 84210629. The next prime is 84210667. The reversal of 84210648 is 84601248.

It is an interprime number because it is at equal distance from previous prime (84210629) and next prime (84210667).

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 7 ways as a sum of consecutive naturals, for example, 9286 + ... + 15957.

It is an arithmetic number, because the mean of its divisors is an integer number (6626550).

Almost surely, 2^84210648 is an apocalyptic number.

It is an amenable number.

84210648 is an abundant number, since it is smaller than the sum of its proper divisors (127838952).

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

84210648 is a wasteful number, since it uses less digits than its factorization.

84210648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25391 (or 25387 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 84210648 is about 9176.6359849348. The cubic root of 84210648 is about 438.3176944917.

The spelling of 84210648 in words is "eighty-four million, two hundred ten thousand, six hundred forty-eight".