378017 has 4 divisors (see below), whose sum is σ = 384276. Its totient is φ = 371760.

The previous prime is 378011. The next prime is 378019. The reversal of 378017 is 710873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65536 + 312481 = 256^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 378017 - 2⁸ = 377761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038 + ... + 3159.

It is an arithmetic number, because the mean of its divisors is an integer number (96069).

2³⁷⁸⁰¹⁷ is an apocalyptic number.

It is an amenable number.

378017 is a deficient number, since it is larger than the sum of its proper divisors (6259).

378017 is an equidigital number, since it uses as much as digits as its factorization.

378017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6258.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 378017 is about 614.8308710532. The cubic root of 378017 is about 72.3053518354.

The spelling of 378017 in words is "three hundred seventy-eight thousand, seventeen".