380556 has 54 divisors (see below), whose sum is σ = 1084356. Its totient is φ = 111600.

The previous prime is 380533. The next prime is 380557. The reversal of 380556 is 655083.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 380556.

It is not an unprimeable number, because it can be changed into a prime (380557) by changing a digit.

380556 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12261 + ... + 12291.

2³⁸⁰⁵⁵⁶ is an apocalyptic number.

380556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542178).

380556 is an abundant number, since it is smaller than the sum of its proper divisors (703800).

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

380556 is a wasteful number, since it uses less digits than its factorization.

380556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 380556 is about 616.8922110061. The cubic root of 380556 is about 72.4668734909.

The spelling of 380556 in words is "three hundred eighty thousand, five hundred fifty-six".