380143983 has 8 divisors (see below), whose sum is σ = 509659696. Its totient is φ = 252028800.

The previous prime is 380143913. The next prime is 380143991. The reversal of 380143983 is 389341083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380143983 - 2²¹ = 378046831 is a prime.

It is a super-2 number, since 2×380143983² = 289018895622208578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380143913) 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, 349498 + ... + 350583.

It is an arithmetic number, because the mean of its divisors is an integer number (63707462).

Almost surely, 2^380143983 is an apocalyptic number.

380143983 is a deficient number, since it is larger than the sum of its proper divisors (129515713).

380143983 is a wasteful number, since it uses less digits than its factorization.

380143983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700265.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 380143983 is about 19497.2814258809. The cubic root of 380143983 is about 724.4071144936.

The spelling of 380143983 in words is "three hundred eighty million, one hundred forty-three thousand, nine hundred eighty-three".