348004128 has 24 divisors (see below), whose sum is σ = 913511088. Its totient is φ = 116001344.

The previous prime is 348004123. The next prime is 348004177. The reversal of 348004128 is 821400843.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×348004128² = 242213746210080768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 348004095 and 348004104.

It is not an unprimeable number, because it can be changed into a prime (348004123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812426 + ... + 1812617.

It is an arithmetic number, because the mean of its divisors is an integer number (38062962).

Almost surely, 2^348004128 is an apocalyptic number.

It is an amenable number.

348004128 is an abundant number, since it is smaller than the sum of its proper divisors (565506960).

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

348004128 is a wasteful number, since it uses less digits than its factorization.

348004128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625056 (or 3625048 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 348004128 is about 18654.8687478631. The cubic root of 348004128 is about 703.3877467891.

The spelling of 348004128 in words is "three hundred forty-eight million, four thousand, one hundred twenty-eight".