363945 has 16 divisors (see below), whose sum is σ = 613440. Its totient is φ = 183744.

The previous prime is 363941. The next prime is 363947. The reversal of 363945 is 549363.

It is a happy number.

It is not a de Polignac number, because 363945 - 2² = 363941 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (363941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (38340).

2³⁶³⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

363945 is a deficient number, since it is larger than the sum of its proper divisors (249495).

363945 is a wasteful number, since it uses less digits than its factorization.

363945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304.

The product of its digits is 9720, while the sum is 30.

The square root of 363945 is about 603.2785426318. The cubic root of 363945 is about 71.3967734656.

The spelling of 363945 in words is "three hundred sixty-three thousand, nine hundred forty-five".