83952309 has 16 divisors (see below), whose sum is σ = 132055040. Its totient is φ = 46424880.

The previous prime is 83952301. The next prime is 83952343. The reversal of 83952309 is 90325938.

It is not a de Polignac number, because 83952309 - 2³ = 83952301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83952301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63829 + ... + 65130.

It is an arithmetic number, because the mean of its divisors is an integer number (8253440).

Almost surely, 2^83952309 is an apocalyptic number.

It is an amenable number.

83952309 is a deficient number, since it is larger than the sum of its proper divisors (48102731).

83952309 is a wasteful number, since it uses less digits than its factorization.

83952309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129000.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 83952309 is about 9162.5492631691. The cubic root of 83952309 is about 437.8690158986.

The spelling of 83952309 in words is "eighty-three million, nine hundred fifty-two thousand, three hundred nine".