380780 has 24 divisors (see below), whose sum is σ = 813120. Its totient is φ = 149760.

The previous prime is 380777. The next prime is 380797. The reversal of 380780 is 87083.

380780 = T₅₆ + T₅₇ + ... + T₁₃₄.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380780.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (33880).

2³⁸⁰⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

380780 is an abundant number, since it is smaller than the sum of its proper divisors (432340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380780 is a wasteful number, since it uses less digits than its factorization.

380780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 380780 is about 617.0737395158. The cubic root of 380780 is about 72.4810890035.

The spelling of 380780 in words is "three hundred eighty thousand, seven hundred eighty".