380765 has 32 divisors (see below), whose sum is σ = 608256. Its totient is φ = 221760.

The previous prime is 380753. The next prime is 380777. The reversal of 380765 is 567083.

380765 = T₁₁₁ + T₁₁₂ + ... + T₁₅₃.

It is an interprime number because it is at equal distance from previous prime (380753) and next prime (380777).

It is not a de Polignac number, because 380765 - 2¹⁸ = 118621 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8834 + ... + 8876.

It is an arithmetic number, because the mean of its divisors is an integer number (19008).

2³⁸⁰⁷⁶⁵ is an apocalyptic number.

380765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

380765 is a deficient number, since it is larger than the sum of its proper divisors (227491).

380765 is a wasteful number, since it uses less digits than its factorization.

380765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 380765 is about 617.0615852571. The cubic root of 380765 is about 72.4801372460.

The spelling of 380765 in words is "three hundred eighty thousand, seven hundred sixty-five".