688252354 has 8 divisors (see below), whose sum is σ = 1033800768. Its totient is φ = 343652100.

The previous prime is 688252343. The next prime is 688252381. The reversal of 688252354 is 453252886.

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

It is a self number, because there is not a number n which added to its sum of digits gives 688252354.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 235222 + ... + 238129.

It is an arithmetic number, because the mean of its divisors is an integer number (129225096).

Almost surely, 2^688252354 is an apocalyptic number.

688252354 is a deficient number, since it is larger than the sum of its proper divisors (345548414).

688252354 is a wasteful number, since it uses less digits than its factorization.

688252354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474080.

The product of its digits is 460800, while the sum is 43.

The square root of 688252354 is about 26234.5641092052. The cubic root of 688252354 is about 882.9089145472.

The spelling of 688252354 in words is "six hundred eighty-eight million, two hundred fifty-two thousand, three hundred fifty-four".