378671 has 2 divisors, whose sum is σ = 378672. Its totient is φ = 378670.

The previous prime is 378667. The next prime is 378683. The reversal of 378671 is 176873.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 378671 - 2² = 378667 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378671.

It is not a weakly prime, because it can be changed into another prime (378601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189335 + 189336.

It is an arithmetic number, because the mean of its divisors is an integer number (189336).

2³⁷⁸⁶⁷¹ is an apocalyptic number.

378671 is a deficient number, since it is larger than the sum of its proper divisors (1).

378671 is an equidigital number, since it uses as much as digits as its factorization.

378671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 378671 is about 615.3624947947. The cubic root of 378671 is about 72.3470258481.

The spelling of 378671 in words is "three hundred seventy-eight thousand, six hundred seventy-one".