369091 has 4 divisors (see below), whose sum is σ = 376992. Its totient is φ = 361192.

The previous prime is 369079. The next prime is 369097. The reversal of 369091 is 190963.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190963 = 43 ⋅4441.

It is a cyclic number.

It is not a de Polignac number, because 369091 - 2⁹ = 368579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (369097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3880 + ... + 3973.

It is an arithmetic number, because the mean of its divisors is an integer number (94248).

2³⁶⁹⁰⁹¹ is an apocalyptic number.

369091 is a deficient number, since it is larger than the sum of its proper divisors (7901).

369091 is an equidigital number, since it uses as much as digits as its factorization.

369091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 369091 is about 607.5286001498. The cubic root of 369091 is about 71.7317046758.

It can be divided in two parts, 3690 and 91, that multiplied together give a triangular number (335790 = T₈₁₉).

The spelling of 369091 in words is "three hundred sixty-nine thousand, ninety-one".