378919 has 2 divisors, whose sum is σ = 378920. Its totient is φ = 378918.

The previous prime is 378901. The next prime is 378929. The reversal of 378919 is 919873.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 378919 - 2⁹ = 378407 is a prime.

It is a super-2 number, since 2×378919² = 287159217122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189459 + 189460.

It is an arithmetic number, because the mean of its divisors is an integer number (189460).

2³⁷⁸⁹¹⁹ is an apocalyptic number.

378919 is a deficient number, since it is larger than the sum of its proper divisors (1).

378919 is an equidigital number, since it uses as much as digits as its factorization.

378919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 37.

The square root of 378919 is about 615.5639690560. The cubic root of 378919 is about 72.3628162897.

The spelling of 378919 in words is "three hundred seventy-eight thousand, nine hundred nineteen".