4013663 has 8 divisors (see below), whose sum is σ = 4240896. Its totient is φ = 3792600.

The previous prime is 4013651. The next prime is 4013671. The reversal of 4013663 is 3663104.

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

It is not a de Polignac number, because 4013663 - 2⁸ = 4013407 is a prime.

It is a super-2 number, since 2×4013663² = 32218981355138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013623) 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, 173 + ... + 2838.

It is an arithmetic number, because the mean of its divisors is an integer number (530112).

Almost surely, 2^4013663 is an apocalyptic number.

4013663 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4013663 is a deficient number, since it is larger than the sum of its proper divisors (227233).

4013663 is a wasteful number, since it uses less digits than its factorization.

4013663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 4013663 is about 2003.4128381340. The cubic root of 4013663 is about 158.9206386383.

Adding to 4013663 its reverse (3663104), we get a palindrome (7676767).

The spelling of 4013663 in words is "four million, thirteen thousand, six hundred sixty-three".