623608 has 8 divisors (see below), whose sum is σ = 1169280. Its totient is φ = 311800.

The previous prime is 623591. The next prime is 623617. The reversal of 623608 is 806326.

623608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

623608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38968 + ... + 38983.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

2⁶²³⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

623608 is a deficient number, since it is larger than the sum of its proper divisors (545672).

623608 is a wasteful number, since it uses less digits than its factorization.

623608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77957 (or 77953 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 623608 is about 789.6885462003. The cubic root of 623608 is about 85.4352758450.

The spelling of 623608 in words is "six hundred twenty-three thousand, six hundred eight".