83964120 has 64 divisors (see below), whose sum is σ = 260029440. Its totient is φ = 21667200.

The previous prime is 83964109. The next prime is 83964197. The reversal of 83964120 is 2146938.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7566 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (4062960).

Almost surely, 2^83964120 is an apocalyptic number.

It is an amenable number.

83964120 is an abundant number, since it is smaller than the sum of its proper divisors (176065320).

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

83964120 is a wasteful number, since it uses less digits than its factorization.

83964120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22616 (or 22612 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 83964120 is about 9163.1937663677. The cubic root of 83964120 is about 437.8895490978.

The spelling of 83964120 in words is "eighty-three million, nine hundred sixty-four thousand, one hundred twenty".