367891 has 8 divisors (see below), whose sum is σ = 386384. Its totient is φ = 349920.

The previous prime is 367889. The next prime is 367909. The reversal of 367891 is 198763.

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

It is a 7-Lehmer number, since φ(367891) divides (367891-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 367891 - 2¹ = 367889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (367831) 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, 2176 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (48298).

2³⁶⁷⁸⁹¹ is an apocalyptic number.

367891 is a deficient number, since it is larger than the sum of its proper divisors (18493).

367891 is a wasteful number, since it uses less digits than its factorization.

367891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261.

The product of its digits is 9072, while the sum is 34.

The square root of 367891 is about 606.5401882810. The cubic root of 367891 is about 71.6538815003.

The spelling of 367891 in words is "three hundred sixty-seven thousand, eight hundred ninety-one".