378538211 has 4 divisors (see below), whose sum is σ = 378618624. Its totient is φ = 378457800.

The previous prime is 378538207. The next prime is 378538291. The reversal of 378538211 is 112835873.

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 378538211 - 2² = 378538207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378538291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32675 + ... + 42716.

It is an arithmetic number, because the mean of its divisors is an integer number (94654656).

Almost surely, 2^378538211 is an apocalyptic number.

378538211 is a deficient number, since it is larger than the sum of its proper divisors (80413).

378538211 is an equidigital number, since it uses as much as digits as its factorization.

378538211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80412.

The product of its digits is 40320, while the sum is 38.

The square root of 378538211 is about 19456.0584651671. The cubic root of 378538211 is about 723.3856818752.

It can be divided in two parts, 37853 and 8211, that added together give a palindrome (46064).

The spelling of 378538211 in words is "three hundred seventy-eight million, five hundred thirty-eight thousand, two hundred eleven".