383057685 has 24 divisors (see below), whose sum is σ = 703024920. Its totient is φ = 192279552.

The previous prime is 383057681. The next prime is 383057747. The reversal of 383057685 is 586750383.

It can be written as a sum of positive squares in 4 ways, for example, as 76422564 + 306635121 = 8742^2 + 17511^2 .

It is not a de Polignac number, because 383057685 - 2² = 383057681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 383057685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383057681) 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, 249600 + ... + 251129.

It is an arithmetic number, because the mean of its divisors is an integer number (29292705).

Almost surely, 2^383057685 is an apocalyptic number.

It is an amenable number.

383057685 is a deficient number, since it is larger than the sum of its proper divisors (319967235).

383057685 is a wasteful number, since it uses less digits than its factorization.

383057685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500757 (or 500754 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 383057685 is about 19571.8595181960. The cubic root of 383057685 is about 726.2532015307.

The spelling of 383057685 in words is "three hundred eighty-three million, fifty-seven thousand, six hundred eighty-five".