385799997 has 32 divisors (see below), whose sum is σ = 600768000. Its totient is φ = 217736640.

The previous prime is 385799987. The next prime is 385800031. The reversal of 385799997 is 799997583.

It is not a de Polignac number, because 385799997 - 2⁶ = 385799933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385799917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31779 + ... + 42207.

It is an arithmetic number, because the mean of its divisors is an integer number (18774000).

Almost surely, 2^385799997 is an apocalyptic number.

It is an amenable number.

385799997 is a deficient number, since it is larger than the sum of its proper divisors (214968003).

385799997 is a wasteful number, since it uses less digits than its factorization.

385799997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521.

The product of its digits is 38578680, while the sum is 66.

The square root of 385799997 is about 19641.7921025552. The cubic root of 385799997 is about 727.9821656914.

The spelling of 385799997 in words is "three hundred eighty-five million, seven hundred ninety-nine thousand, nine hundred ninety-seven".