378660 has 24 divisors (see below), whose sum is σ = 1060416. Its totient is φ = 100960.

The previous prime is 378629. The next prime is 378661. The reversal of 378660 is 66873.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378660.

It is not an unprimeable number, because it can be changed into a prime (378661) by changing a digit.

378660 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 7 ways as a sum of consecutive naturals, for example, 3096 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (44184).

2³⁷⁸⁶⁶⁰ is an apocalyptic number.

378660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378660 is an abundant number, since it is smaller than the sum of its proper divisors (681756).

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

378660 is a wasteful number, since it uses less digits than its factorization.

378660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323 (or 6321 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 378660 is about 615.3535569085. The cubic root of 378660 is about 72.3463253060.

The spelling of 378660 in words is "three hundred seventy-eight thousand, six hundred sixty".