360391 has 2 divisors, whose sum is σ = 360392. Its totient is φ = 360390.

The previous prime is 360337. The next prime is 360407. The reversal of 360391 is 193063.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-360391 is a prime.

360391 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (360091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180195 + 180196.

It is an arithmetic number, because the mean of its divisors is an integer number (180196).

2³⁶⁰³⁹¹ is an apocalyptic number.

360391 is a deficient number, since it is larger than the sum of its proper divisors (1).

360391 is an equidigital number, since it uses as much as digits as its factorization.

360391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 360391 is about 600.3257449085. The cubic root of 360391 is about 71.1636113136.

The spelling of 360391 in words is "three hundred sixty thousand, three hundred ninety-one".