4689623 has 8 divisors (see below), whose sum is σ = 4832256. Its totient is φ = 4548600.

The previous prime is 4689611. The next prime is 4689661. The reversal of 4689623 is 3269864.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4689623 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4680623) 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, 7928 + ... + 8498.

It is an arithmetic number, because the mean of its divisors is an integer number (604032).

Almost surely, 2^4689623 is an apocalyptic number.

4689623 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4689623 is a deficient number, since it is larger than the sum of its proper divisors (142633).

4689623 is a wasteful number, since it uses less digits than its factorization.

4689623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its digits is 62208, while the sum is 38.

The square root of 4689623 is about 2165.5537398088. The cubic root of 4689623 is about 167.3834995943.

The spelling of 4689623 in words is "four million, six hundred eighty-nine thousand, six hundred twenty-three".