363647 has 4 divisors (see below), whose sum is σ = 385056. Its totient is φ = 342240.

The previous prime is 363619. The next prime is 363659. The reversal of 363647 is 746363.

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 363647 - 2¹⁸ = 101503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 363647.

It is not an unprimeable number, because it can be changed into a prime (363677) 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, 10679 + ... + 10712.

It is an arithmetic number, because the mean of its divisors is an integer number (96264).

2³⁶³⁶⁴⁷ is an apocalyptic number.

363647 is a deficient number, since it is larger than the sum of its proper divisors (21409).

363647 is a wasteful number, since it uses less digits than its factorization.

363647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21408.

The product of its digits is 9072, while the sum is 29.

The square root of 363647 is about 603.0315082979. The cubic root of 363647 is about 71.3772814653.

The spelling of 363647 in words is "three hundred sixty-three thousand, six hundred forty-seven".