688322601 has 24 divisors (see below), whose sum is σ = 1009941504. Its totient is φ = 451694880.

The previous prime is 688322599. The next prime is 688322603. The reversal of 688322601 is 106223886.

It is an interprime number because it is at equal distance from previous prime (688322599) and next prime (688322603).

It is not a de Polignac number, because 688322601 - 2¹ = 688322599 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (688322603) 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 23 ways as a sum of consecutive naturals, for example, 147435 + ... + 152031.

It is an arithmetic number, because the mean of its divisors is an integer number (42080896).

Almost surely, 2^688322601 is an apocalyptic number.

It is an amenable number.

688322601 is a deficient number, since it is larger than the sum of its proper divisors (321618903).

688322601 is a wasteful number, since it uses less digits than its factorization.

688322601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 688322601 is about 26235.9029004149. The cubic root of 688322601 is about 882.9389517819.

The spelling of 688322601 in words is "six hundred eighty-eight million, three hundred twenty-two thousand, six hundred one".