380511 has 16 divisors (see below), whose sum is σ = 597600. Its totient is φ = 238464.

The previous prime is 380503. The next prime is 380533. The reversal of 380511 is 115083.

It is a happy number.

It is not a de Polignac number, because 380511 - 2³ = 380503 is a prime.

It is a super-2 number, since 2×380511² = 289577242242, which contains 22 as substring.

380511 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380511.

It is not an unprimeable number, because it can be changed into a prime (380591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 873.

It is an arithmetic number, because the mean of its divisors is an integer number (37350).

2³⁸⁰⁵¹¹ is an apocalyptic number.

380511 is a deficient number, since it is larger than the sum of its proper divisors (217089).

380511 is a wasteful number, since it uses less digits than its factorization.

380511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 380511 is about 616.8557367813. The cubic root of 380511 is about 72.4640170231.

Adding to 380511 its reverse (115083), we get a palindrome (495594).

The spelling of 380511 in words is "three hundred eighty thousand, five hundred eleven".