385773649 has 8 divisors (see below), whose sum is σ = 389706368. Its totient is φ = 381859920.

The previous prime is 385773643. The next prime is 385773653. The reversal of 385773649 is 946377583.

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 385773649 - 2¹⁷ = 385642577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385773596 and 385773605.

It is not an unprimeable number, because it can be changed into a prime (385773643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38014 + ... + 47080.

It is an arithmetic number, because the mean of its divisors is an integer number (48713296).

Almost surely, 2^385773649 is an apocalyptic number.

It is an amenable number.

385773649 is a deficient number, since it is larger than the sum of its proper divisors (3932719).

385773649 is a wasteful number, since it uses less digits than its factorization.

385773649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495.

The product of its digits is 3810240, while the sum is 52.

The square root of 385773649 is about 19641.1213783735. The cubic root of 385773649 is about 727.9655929327.

The spelling of 385773649 in words is "three hundred eighty-five million, seven hundred seventy-three thousand, six hundred forty-nine".