385820983 has 8 divisors (see below), whose sum is σ = 395065088. Its totient is φ = 376589304.

The previous prime is 385820971. The next prime is 385821019. The reversal of 385820983 is 389028583.

It is a happy number.

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 385820983 - 2⁵ = 385820951 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 (385820683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99010 + ... + 102832.

It is an arithmetic number, because the mean of its divisors is an integer number (49383136).

Almost surely, 2^385820983 is an apocalyptic number.

385820983 is a deficient number, since it is larger than the sum of its proper divisors (9244105).

385820983 is a wasteful number, since it uses less digits than its factorization.

385820983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 385820983 is about 19642.3263133469. The cubic root of 385820983 is about 727.9953652394.

The spelling of 385820983 in words is "three hundred eighty-five million, eight hundred twenty thousand, nine hundred eighty-three".