83239284 has 12 divisors (see below), whose sum is σ = 194225024. Its totient is φ = 27746424.

The previous prime is 83239279. The next prime is 83239291. The reversal of 83239284 is 48293238.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 3468292 + ... + 3468315.

Almost surely, 2^83239284 is an apocalyptic number.

It is an amenable number.

83239284 is an abundant number, since it is smaller than the sum of its proper divisors (110985740).

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

83239284 is a wasteful number, since it uses less digits than its factorization.

83239284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936614 (or 6936612 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 83239284 is about 9123.5565433662. The cubic root of 83239284 is about 436.6258511922.

The spelling of 83239284 in words is "eighty-three million, two hundred thirty-nine thousand, two hundred eighty-four".