364643 has 2 divisors, whose sum is σ = 364644. Its totient is φ = 364642.

The previous prime is 364627. The next prime is 364657. The reversal of 364643 is 346463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 364643 - 2⁴ = 364627 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 364643.

It is not a weakly prime, because it can be changed into another prime (364543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182321 + 182322.

It is an arithmetic number, because the mean of its divisors is an integer number (182322).

2³⁶⁴⁶⁴³ is an apocalyptic number.

364643 is a deficient number, since it is larger than the sum of its proper divisors (1).

364643 is an equidigital number, since it uses as much as digits as its factorization.

364643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 364643 is about 603.8567710973. The cubic root of 364643 is about 71.4423876131.

It can be divided in two parts, 3 and 64643, that added together give a palindrome (64646).

The spelling of 364643 in words is "three hundred sixty-four thousand, six hundred forty-three".