380916 has 24 divisors (see below), whose sum is σ = 987840. Its totient is φ = 126936.

The previous prime is 380909. The next prime is 380917. The reversal of 380916 is 619083.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 380916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380917) 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 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 1871.

It is an arithmetic number, because the mean of its divisors is an integer number (41160).

2³⁸⁰⁹¹⁶ is an apocalyptic number.

380916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

380916 is an abundant number, since it is smaller than the sum of its proper divisors (606924).

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

380916 is a wasteful number, since it uses less digits than its factorization.

380916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 380916 is about 617.1839272048. The cubic root of 380916 is about 72.4897171306.

Adding to 380916 its reverse (619083), we get a palindrome (999999).

It can be divided in two parts, 380 and 916, that added together give a 4-th power (1296 = 6⁴).

The spelling of 380916 in words is "three hundred eighty thousand, nine hundred sixteen".