83800385 has 8 divisors (see below), whose sum is σ = 104932800. Its totient is φ = 64125424.

The previous prime is 83800373. The next prime is 83800391. The reversal of 83800385 is 58300838.

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

It is a cyclic number.

It is not a de Polignac number, because 83800385 - 2¹⁰ = 83799361 is a prime.

It is a super-2 number, since 2×83800385² = 14045009052296450, which contains 22 as substring.

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, 364235 + ... + 364464.

It is an arithmetic number, because the mean of its divisors is an integer number (13116600).

Almost surely, 2^83800385 is an apocalyptic number.

It is an amenable number.

83800385 is a deficient number, since it is larger than the sum of its proper divisors (21132415).

83800385 is a wasteful number, since it uses less digits than its factorization.

83800385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728727.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 83800385 is about 9154.2550215733. The cubic root of 83800385 is about 437.6047270377.

The spelling of 83800385 in words is "eighty-three million, eight hundred thousand, three hundred eighty-five".