84067648 has 28 divisors (see below), whose sum is σ = 190654432. Its totient is φ = 36028800.

The previous prime is 84067639. The next prime is 84067657. The reversal of 84067648 is 84676048.

It is an interprime number because it is at equal distance from previous prime (84067639) and next prime (84067657).

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93378 + ... + 94273.

Almost surely, 2^84067648 is an apocalyptic number.

It is an amenable number.

84067648 is an abundant number, since it is smaller than the sum of its proper divisors (106586784).

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

84067648 is a wasteful number, since it uses less digits than its factorization.

84067648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187670 (or 187660 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 84067648 is about 9168.8411481495. The cubic root of 84067648 is about 438.0694482013.

Subtracting 84067648 from its reverse (84676048), we obtain a square (608400 = 780²).

The spelling of 84067648 in words is "eighty-four million, sixty-seven thousand, six hundred forty-eight".