83893284 has 36 divisors (see below), whose sum is σ = 223226640. Its totient is φ = 26492400.

The previous prime is 83893273. The next prime is 83893289. The reversal of 83893284 is 48239838.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (83893289) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 60642 + ... + 62009.

It is an arithmetic number, because the mean of its divisors is an integer number (6200740).

Almost surely, 2^83893284 is an apocalyptic number.

It is an amenable number.

83893284 is an abundant number, since it is smaller than the sum of its proper divisors (139333356).

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

83893284 is a wasteful number, since it uses less digits than its factorization.

83893284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122680 (or 122675 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 83893284 is about 9159.3277045862. The cubic root of 83893284 is about 437.7663731863.

The spelling of 83893284 in words is "eighty-three million, eight hundred ninety-three thousand, two hundred eighty-four".