378901 has 2 divisors, whose sum is σ = 378902. Its totient is φ = 378900.

The previous prime is 378893. The next prime is 378919. The reversal of 378901 is 109873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 676 = 615^2 + 26^2 .

It is an emirp because it is prime and its reverse (109873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378901 - 2³ = 378893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189450 + 189451.

It is an arithmetic number, because the mean of its divisors is an integer number (189451).

2³⁷⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

378901 is a deficient number, since it is larger than the sum of its proper divisors (1).

378901 is an equidigital number, since it uses as much as digits as its factorization.

378901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 378901 is about 615.5493481436. The cubic root of 378901 is about 72.3616704412.

Subtracting from 378901 its sum of digits (28), we obtain a palindrome (378873).

The spelling of 378901 in words is "three hundred seventy-eight thousand, nine hundred one".