415663 has 8 divisors (see below), whose sum is σ = 443520. Its totient is φ = 388440.

The previous prime is 415661. The next prime is 415669. The reversal of 415663 is 366514.

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

It is a cyclic number.

It is not a de Polignac number, because 415663 - 2¹ = 415661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2406 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2⁴¹⁵⁶⁶³ is an apocalyptic number.

415663 is a deficient number, since it is larger than the sum of its proper divisors (27857).

415663 is a wasteful number, since it uses less digits than its factorization.

415663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317.

The product of its digits is 2160, while the sum is 25.

The square root of 415663 is about 644.7193187737. The cubic root of 415663 is about 74.6300597377.

The spelling of 415663 in words is "four hundred fifteen thousand, six hundred sixty-three".