663614 has 16 divisors (see below), whose sum is σ = 1150848. Its totient is φ = 281112.

The previous prime is 663601. The next prime is 663631. The reversal of 663614 is 416366.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 663614.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277 + ... + 1719.

It is an arithmetic number, because the mean of its divisors is an integer number (71928).

2⁶⁶³⁶¹⁴ is an apocalyptic number.

663614 is a deficient number, since it is larger than the sum of its proper divisors (487234).

663614 is a wasteful number, since it uses less digits than its factorization.

663614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559.

The product of its digits is 2592, while the sum is 26.

The square root of 663614 is about 814.6250671321. The cubic root of 663614 is about 87.2245049386.

The spelling of 663614 in words is "six hundred sixty-three thousand, six hundred fourteen".