383038685 has 8 divisors (see below), whose sum is σ = 468319320. Its totient is φ = 300649024.

The previous prime is 383038661. The next prime is 383038783. The reversal of 383038685 is 586830383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200194201 + 182844484 = 14149^2 + 13522^2 .

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 383038685 - 2¹⁰ = 383037661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722450 + ... + 722979.

It is an arithmetic number, because the mean of its divisors is an integer number (58539915).

Almost surely, 2^383038685 is an apocalyptic number.

It is an amenable number.

383038685 is a deficient number, since it is larger than the sum of its proper divisors (85280635).

383038685 is a wasteful number, since it uses less digits than its factorization.

383038685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445487.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 383038685 is about 19571.3741214050. The cubic root of 383038685 is about 726.2411937318.

The spelling of 383038685 in words is "three hundred eighty-three million, thirty-eight thousand, six hundred eighty-five".