380829 has 4 divisors (see below), whose sum is σ = 507776. Its totient is φ = 253884.

The previous prime is 380819. The next prime is 380837. The reversal of 380829 is 928083.

380829 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 380829 - 2⁵ = 380797 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380796 and 380805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380819) 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 3 ways as a sum of consecutive naturals, for example, 63469 + ... + 63474.

It is an arithmetic number, because the mean of its divisors is an integer number (126944).

2³⁸⁰⁸²⁹ is an apocalyptic number.

It is an amenable number.

380829 is a deficient number, since it is larger than the sum of its proper divisors (126947).

380829 is a wasteful number, since it uses less digits than its factorization.

380829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126946.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 380829 is about 617.1134417593. The cubic root of 380829 is about 72.4841979036.

The spelling of 380829 in words is "three hundred eighty thousand, eight hundred twenty-nine".