363646 has 8 divisors (see below), whose sum is σ = 549144. Its totient is φ = 180600.

The previous prime is 363619. The next prime is 363659. The reversal of 363646 is 646363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 3¹¹ + 6³ + 6⁴ + 3¹¹ + 4³ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

363646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (68643).

2³⁶³⁶⁴⁶ is an apocalyptic number.

363646 is a deficient number, since it is larger than the sum of its proper divisors (185498).

363646 is a wasteful number, since it uses less digits than its factorization.

363646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its digits is 7776, while the sum is 28.

The square root of 363646 is about 603.0306791532. The cubic root of 363646 is about 71.3772160380.

The spelling of 363646 in words is "three hundred sixty-three thousand, six hundred forty-six".