378929 has 2 divisors, whose sum is σ = 378930. Its totient is φ = 378928.

The previous prime is 378919. The next prime is 378941. The reversal of 378929 is 929873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 123904 = 505^2 + 352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378929 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 378892 and 378901.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 378929.

It is not a weakly prime, because it can be changed into another prime (378919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189464 + 189465.

It is an arithmetic number, because the mean of its divisors is an integer number (189465).

2³⁷⁸⁹²⁹ is an apocalyptic number.

It is an amenable number.

378929 is a deficient number, since it is larger than the sum of its proper divisors (1).

378929 is an equidigital number, since it uses as much as digits as its factorization.

378929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 378929 is about 615.5720916351. The cubic root of 378929 is about 72.3634528566.

The spelling of 378929 in words is "three hundred seventy-eight thousand, nine hundred twenty-nine".