348203688 has 64 divisors (see below), whose sum is σ = 1000512000. Its totient is φ = 98922432.

The previous prime is 348203659. The next prime is 348203701. The reversal of 348203688 is 886302843.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24283 + ... + 35861.

It is an arithmetic number, because the mean of its divisors is an integer number (15633000).

Almost surely, 2^348203688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348203688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500256000).

348203688 is an abundant number, since it is smaller than the sum of its proper divisors (652308312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348203688 is a wasteful number, since it uses less digits than its factorization.

348203688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11774 (or 11770 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 348203688 is about 18660.2167189987. The cubic root of 348203688 is about 703.5221716661.

The spelling of 348203688 in words is "three hundred forty-eight million, two hundred three thousand, six hundred eighty-eight".