83942965 has 8 divisors (see below), whose sum is σ = 104205240. Its totient is φ = 64838592.

The previous prime is 83942959. The next prime is 83942977. The reversal of 83942965 is 56924938.

It can be written as a sum of positive squares in 4 ways, for example, as 19044 + 83923921 = 138^2 + 9161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83942965 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289314 + ... + 289603.

It is an arithmetic number, because the mean of its divisors is an integer number (13025655).

Almost surely, 2^83942965 is an apocalyptic number.

It is an amenable number.

83942965 is a deficient number, since it is larger than the sum of its proper divisors (20262275).

83942965 is a wasteful number, since it uses less digits than its factorization.

83942965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578951.

The product of its digits is 466560, while the sum is 46.

The square root of 83942965 is about 9162.0393472196. The cubic root of 83942965 is about 437.8527701676.

The spelling of 83942965 in words is "eighty-three million, nine hundred forty-two thousand, nine hundred sixty-five".