364391 has 4 divisors (see below), whose sum is σ = 372192. Its totient is φ = 356592.

The previous prime is 364379. The next prime is 364393. The reversal of 364391 is 193463.

364391 = 64² + 65² + ... + 110².

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 364391 - 2¹⁰ = 363367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 364391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364393) 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, 3830 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (93048).

2³⁶⁴³⁹¹ is an apocalyptic number.

364391 is a deficient number, since it is larger than the sum of its proper divisors (7801).

364391 is an equidigital number, since it uses as much as digits as its factorization.

364391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800.

The product of its digits is 1944, while the sum is 26.

The square root of 364391 is about 603.6480762829. The cubic root of 364391 is about 71.4259261878.

The spelling of 364391 in words is "three hundred sixty-four thousand, three hundred ninety-one".