385800669 has 24 divisors (see below), whose sum is σ = 593386560. Its totient is φ = 240701568.

The previous prime is 385800637. The next prime is 385800697. The reversal of 385800669 is 966008583.

385800669 is a `hidden beast` number, since 3 + 8 + 580 + 0 + 6 + 69 = 666.

It is not a de Polignac number, because 385800669 - 2⁵ = 385800637 is a prime.

It is a super-2 number, since 2×385800669² = 297684312401695122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385800169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20344 + ... + 34430.

It is an arithmetic number, because the mean of its divisors is an integer number (24724440).

Almost surely, 2^385800669 is an apocalyptic number.

It is an amenable number.

385800669 is a deficient number, since it is larger than the sum of its proper divisors (207585891).

385800669 is a wasteful number, since it uses less digits than its factorization.

385800669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14289 (or 14286 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 385800669 is about 19641.8092089298. The cubic root of 385800669 is about 727.9825883661.

The spelling of 385800669 in words is "three hundred eighty-five million, eight hundred thousand, six hundred sixty-nine".