642363 has 8 divisors (see below), whose sum is σ = 860688. Its totient is φ = 426144.

The previous prime is 642361. The next prime is 642373. The reversal of 642363 is 363246.

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

It is not a de Polignac number, because 642363 - 2¹ = 642361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (642361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (107586).

2⁶⁴²³⁶³ is an apocalyptic number.

642363 is a deficient number, since it is larger than the sum of its proper divisors (218325).

642363 is a wasteful number, since it uses less digits than its factorization.

642363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its digits is 2592, while the sum is 24.

The square root of 642363 is about 801.4755142860. The cubic root of 642363 is about 86.2833183604.

The spelling of 642363 in words is "six hundred forty-two thousand, three hundred sixty-three".