83350385 has 4 divisors (see below), whose sum is σ = 100020468. Its totient is φ = 66680304.

The previous prime is 83350363. The next prime is 83350387. The reversal of 83350385 is 58305338.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22619536 + 60730849 = 4756^2 + 7793^2 .

It is a cyclic number.

It is not a de Polignac number, because 83350385 - 2¹⁶ = 83284849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83350387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8335034 + ... + 8335043.

It is an arithmetic number, because the mean of its divisors is an integer number (25005117).

Almost surely, 2^83350385 is an apocalyptic number.

It is an amenable number.

83350385 is a deficient number, since it is larger than the sum of its proper divisors (16670083).

83350385 is a wasteful number, since it uses less digits than its factorization.

83350385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16670082.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 83350385 is about 9129.6432022287. The cubic root of 83350385 is about 436.8200223421.

The spelling of 83350385 in words is "eighty-three million, three hundred fifty thousand, three hundred eighty-five".