378791 has 8 divisors (see below), whose sum is σ = 441504. Its totient is φ = 318240.

The previous prime is 378779. The next prime is 378793. The reversal of 378791 is 197873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378791 - 2¹⁴ = 362407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (55188).

2³⁷⁸⁷⁹¹ is an apocalyptic number.

378791 is a deficient number, since it is larger than the sum of its proper divisors (62713).

378791 is a wasteful number, since it uses less digits than its factorization.

378791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081.

The product of its digits is 10584, while the sum is 35.

The square root of 378791 is about 615.4599905762. The cubic root of 378791 is about 72.3546672450.

The spelling of 378791 in words is "three hundred seventy-eight thousand, seven hundred ninety-one".