402363 has 24 divisors (see below), whose sum is σ = 662480. Its totient is φ = 233280.

The previous prime is 402361. The next prime is 402371. The reversal of 402363 is 363204.

It is not a de Polignac number, because 402363 - 2¹ = 402361 is a prime.

402363 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (402361) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2133 + ... + 2313.

2⁴⁰²³⁶³ is an apocalyptic number.

402363 is a deficient number, since it is larger than the sum of its proper divisors (260117).

402363 is a wasteful number, since it uses less digits than its factorization.

402363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 402363 is about 634.3208967077. The cubic root of 402363 is about 73.8254346420.

Adding to 402363 its reverse (363204), we get a palindrome (765567).

The spelling of 402363 in words is "four hundred two thousand, three hundred sixty-three".