83909328 has 40 divisors (see below), whose sum is σ = 220447200. Its totient is φ = 27494784.

The previous prime is 83909327. The next prime is 83909333. The reversal of 83909328 is 82390938.

It is a self number, because there is not a number n which added to its sum of digits gives 83909328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83909321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11983 + ... + 17646.

It is an arithmetic number, because the mean of its divisors is an integer number (5511180).

Almost surely, 2^83909328 is an apocalyptic number.

It is an amenable number.

83909328 is an abundant number, since it is smaller than the sum of its proper divisors (136537872).

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

83909328 is a wasteful number, since it uses less digits than its factorization.

83909328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29699 (or 29693 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 83909328 is about 9160.2034911895. The cubic root of 83909328 is about 437.7942779866.

The spelling of 83909328 in words is "eighty-three million, nine hundred nine thousand, three hundred twenty-eight".