291364 has 12 divisors (see below), whose sum is σ = 532224. Its totient is φ = 139304.

The previous prime is 291359. The next prime is 291367. The reversal of 291364 is 463192.

291364 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (291367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2²⁹¹³⁶⁴ is an apocalyptic number.

It is an amenable number.

291364 is a deficient number, since it is larger than the sum of its proper divisors (240860).

291364 is a wasteful number, since it uses less digits than its factorization.

291364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194 (or 3192 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 291364 is about 539.7814372503. The cubic root of 291364 is about 66.2946726115.

The spelling of 291364 in words is "two hundred ninety-one thousand, three hundred sixty-four".