378827 has 4 divisors (see below), whose sum is σ = 391920. Its totient is φ = 365736.

The previous prime is 378823. The next prime is 378869. The reversal of 378827 is 728873.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 378827 - 2² = 378823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378821) 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, 6503 + ... + 6560.

It is an arithmetic number, because the mean of its divisors is an integer number (97980).

2³⁷⁸⁸²⁷ is an apocalyptic number.

378827 is a deficient number, since it is larger than the sum of its proper divisors (13093).

378827 is a wasteful number, since it uses less digits than its factorization.

378827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092.

The product of its digits is 18816, while the sum is 35.

The square root of 378827 is about 615.4892362991. The cubic root of 378827 is about 72.3569593494.

The spelling of 378827 in words is "three hundred seventy-eight thousand, eight hundred twenty-seven".