380239643 has 8 divisors (see below), whose sum is σ = 437687040. Its totient is φ = 323574120.

The previous prime is 380239637. The next prime is 380239661. The reversal of 380239643 is 346932083.

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 380239643 - 2⁶ = 380239579 is a prime.

It is a super-3 number, since 3×380239643³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 380239597 and 380239606.

It is not an unprimeable number, because it can be changed into a prime (380239943) 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, 194423 + ... + 196368.

It is an arithmetic number, because the mean of its divisors is an integer number (54710880).

Almost surely, 2^380239643 is an apocalyptic number.

380239643 is a deficient number, since it is larger than the sum of its proper divisors (57447397).

380239643 is a wasteful number, since it uses less digits than its factorization.

380239643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390937.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 380239643 is about 19499.7344340891. The cubic root of 380239643 is about 724.4678730271.

The spelling of 380239643 in words is "three hundred eighty million, two hundred thirty-nine thousand, six hundred forty-three".