385283207 has 4 divisors (see below), whose sum is σ = 385478136. Its totient is φ = 385088280.

The previous prime is 385283179. The next prime is 385283209. The reversal of 385283207 is 702382583.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385283207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385283209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94469 + ... + 98462.

It is an arithmetic number, because the mean of its divisors is an integer number (96369534).

Almost surely, 2^385283207 is an apocalyptic number.

385283207 is a deficient number, since it is larger than the sum of its proper divisors (194929).

385283207 is a wasteful number, since it uses less digits than its factorization.

385283207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194928.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 385283207 is about 19628.6323262728. The cubic root of 385283207 is about 727.6569695496.

The spelling of 385283207 in words is "three hundred eighty-five million, two hundred eighty-three thousand, two hundred seven".